| Commit message (Collapse) | Author | Age | Files | Lines |
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I have had reports from two different people that attempts to read the
analog input channels of the MF624 board fail with an `ETIMEDOUT` error.
After triggering the conversion, the code calls `comedi_timeout()` with
`mf6x4_ai_eoc()` as the callback function to check if the conversion is
complete. The callback returns 0 if complete or `-EBUSY` if not yet
complete. `comedi_timeout()` returns `-ETIMEDOUT` if it has not
completed within a timeout period which is propagated as an error to the
user application.
The existing code considers the conversion to be complete when the EOLC
bit is high. However, according to the user manuals for the MF624 and
MF634 boards, this test is incorrect because EOLC is an active low
signal that goes high when the conversion is triggered, and goes low
when the conversion is complete. Fix the problem by inverting the test
of the EOLC bit state.
Fixes: 04b565021a83 ("comedi: Humusoft MF634 and MF624 DAQ cards driver")
Cc: <stable@vger.kernel.org> # v4.4+
Cc: Rostislav Lisovy <lisovy@gmail.com>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20201207145806.4046-1-abbotti@mev.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The "cb_pcidas" driver supports asynchronous commands on the analog
output (AO) subdevice for those boards that have an AO FIFO. The code
(in `cb_pcidas_ao_check_chanlist()` and `cb_pcidas_ao_cmd()`) to
validate and set up the command supports output to a single channel or
to two channels simultaneously (the boards have two AO channels).
However, the code in `cb_pcidas_auto_attach()` that initializes the
subdevices neglects to initialize the AO subdevice's `len_chanlist`
member, leaving it set to 0, but the Comedi core will "correct" it to 1
if the driver neglected to set it. This limits commands to use a single
channel (either channel 0 or 1), but the limit should be two channels.
Set the AO subdevice's `len_chanlist` member to be the same value as the
`n_chan` member, which will be 2.
Cc: <stable@vger.kernel.org>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20201021122142.81628-1-abbotti@mev.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Boolean comparison of the condition inside unittest function is
unnecessary and can be simplified by directly using the condition
outcome for evaluation. Issue reported by :
scripts/coccinelle/misc/boolinit.cocci
Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com>
Link: https://lore.kernel.org/r/20201019171426.GA72818@ubuntu204
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix newline after dereference operator detected by checkpatch.
Signed-off-by: Vasily Utkin <vautkin@teknik.io>
Link: https://lore.kernel.org/r/20201010170721.98595-1-vautkin@teknik.io
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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While finding usb endpoints in vmk80xx_find_usb_endpoints(), check if
wMaxPacketSize = 0 for the endpoints found.
Some devices have isochronous endpoints that have wMaxPacketSize = 0
(as required by the USB-2 spec).
However, since this doesn't apply here, wMaxPacketSize = 0 can be
considered to be invalid.
Reported-by: syzbot+009f546aa1370056b1c2@syzkaller.appspotmail.com
Tested-by: syzbot+009f546aa1370056b1c2@syzkaller.appspotmail.com
Signed-off-by: Anant Thazhemadam <anant.thazhemadam@gmail.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201010082933.5417-1-anant.thazhemadam@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixed various different checkpatch duplicate word warnings, the TODO
file said to fix checkpatch warnings.
Signed-off-by: Ethan Edwards <ethancarteredwards@gmail.com>
Link: https://lore.kernel.org/r/20200825002955.e3wvtwsoqqbc2cvl@archlaptop.localdomain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixed a spelling mistake issue
Signed-off-by: Lokesh Chebrolu <lokeshch007@gmail.com>
Link: https://lore.kernel.org/r/1596784806-7130-1-git-send-email-lokeshch007@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1].
[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20200727184247.GA29207@embeddedor
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The `INSN_CONFIG` comedi instruction with sub-instruction code
`INSN_CONFIG_DIGITAL_TRIG` includes a base channel in `data[3]`. This is
used as a right shift amount for other bitmask values without being
checked. Shift amounts greater than or equal to 32 will result in
undefined behavior. Add code to deal with this.
Fixes: 1e15687ea472 ("staging: comedi: addi_apci_1564: add Change-of-State interrupt subdevice and required functions")
Cc: <stable@vger.kernel.org> #3.17+
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20200717145257.112660-4-abbotti@mev.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The `INSN_CONFIG` comedi instruction with sub-instruction code
`INSN_CONFIG_DIGITAL_TRIG` includes a base channel in `data[3]`. This is
used as a right shift amount for other bitmask values without being
checked. Shift amounts greater than or equal to 32 will result in
undefined behavior. Add code to deal with this, adjusting the checks
for invalid channels so that enabled channel bits that would have been
lost by shifting are also checked for validity. Only channels 0 to 15
are valid.
Fixes: a8c66b684efaf ("staging: comedi: addi_apci_1500: rewrite the subdevice support functions")
Cc: <stable@vger.kernel.org> #4.0+: ef75e14a6c93: staging: comedi: verify array index is correct before using it
Cc: <stable@vger.kernel.org> #4.0+
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20200717145257.112660-5-abbotti@mev.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The `INSN_CONFIG` comedi instruction with sub-instruction code
`INSN_CONFIG_DIGITAL_TRIG` includes a base channel in `data[3]`. This is
used as a right shift amount for other bitmask values without being
checked. Shift amounts greater than or equal to 32 will result in
undefined behavior. Add code to deal with this.
Fixes: 33cdce6293dcc ("staging: comedi: addi_apci_1032: conform to new INSN_CONFIG_DIGITAL_TRIG")
Cc: <stable@vger.kernel.org> #3.8+
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20200717145257.112660-3-abbotti@mev.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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`ni6527_intr_insn_config()` processes `INSN_CONFIG` comedi instructions
for the "interrupt" subdevice. When `data[0]` is
`INSN_CONFIG_DIGITAL_TRIG` it is configuring the digital trigger. When
`data[2]` is `COMEDI_DIGITAL_TRIG_ENABLE_EDGES` it is configuring rising
and falling edge detection for the digital trigger, using a base channel
number (or shift amount) in `data[3]`, a rising edge bitmask in
`data[4]` and falling edge bitmask in `data[5]`.
If the base channel number (shift amount) is greater than or equal to
the number of channels (24) of the digital input subdevice, there are no
changes to the rising and falling edges, so the mask of channels to be
changed can be set to 0, otherwise the mask of channels to be changed,
and the rising and falling edge bitmasks are shifted by the base channel
number before calling `ni6527_set_edge_detection()` to change the
appropriate registers. Unfortunately, the code is comparing the base
channel (shift amount) to the interrupt subdevice's number of channels
(1) instead of the digital input subdevice's number of channels (24).
Fix it by comparing to 32 because all shift amounts for an `unsigned
int` must be less than that and everything from bit 24 upwards is
ignored by `ni6527_set_edge_detection()` anyway.
Fixes: 110f9e687c1a8 ("staging: comedi: ni_6527: support INSN_CONFIG_DIGITAL_TRIG")
Cc: <stable@vger.kernel.org> # 3.17+
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20200717145257.112660-2-abbotti@mev.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200721183545.67500-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200721184613.67596-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200721185633.67671-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200721190653.67751-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200721191729.67847-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200721192750.67925-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200721193806.68010-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200723190813.71971-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200723191827.72047-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200723192842.72124-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200723194053.72227-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the staging fixes in here, and it resolves a merge issue with an
iio driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This code reads from the array before verifying that "trig" is a valid
index. If the index is wildly out of bounds then reading from an
invalid address could lead to an Oops.
Fixes: a8c66b684efa ("staging: comedi: addi_apci_1500: rewrite the subdevice support functions")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20200709102936.GA20875@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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fixed sparse warnings by adding a cast in assignment from
void [noderef] __user * to unsigned int __force *
and a reverse cast in argument from
unsigned int * to unsigned int __user * .
Signed-off-by: B K Karthik <karthik.bk2000@live.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20200717103031.3mfnlvqo3waolsee@pesu-pes-edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The legacy API wrappers in include/linux/pci-dma-compat.h
should go away as it creates unnecessary midlayering
for include/linux/dma-mapping.h APIs, instead use dma-mapping.h
APIs directly.
The patch has been generated with the coccinelle script below
and compile-tested.
@@@@
- PCI_DMA_BIDIRECTIONAL
+ DMA_BIDIRECTIONAL
@@@@
- PCI_DMA_TODEVICE
+ DMA_TO_DEVICE
@@@@
- PCI_DMA_FROMDEVICE
+ DMA_FROM_DEVICE
@@@@
- PCI_DMA_NONE
+ DMA_NONE
@@ expression E1, E2, E3; @@
- pci_alloc_consistent(E1, E2, E3)
+ dma_alloc_coherent(&E1->dev, E2, E3, GFP_ATOMIC)
@@ expression E1, E2, E3; @@
- pci_zalloc_consistent(E1, E2, E3)
+ dma_alloc_coherent(&E1->dev, E2, E3, GFP_ATOMIC)
@@ expression E1, E2, E3, E4; @@
- pci_free_consistent(E1, E2, E3, E4)
+ dma_free_coherent(&E1->dev, E2, E3, E4)
@@ expression E1, E2, E3, E4; @@
- pci_map_single(E1, E2, E3, E4)
+ dma_map_single(&E1->dev, E2, E3, (enum dma_data_direction)E4)
@@ expression E1, E2, E3, E4; @@
- pci_unmap_single(E1, E2, E3, E4)
+ dma_unmap_single(&E1->dev, E2, E3, (enum dma_data_direction)E4)
@@ expression E1, E2, E3, E4, E5; @@
- pci_map_page(E1, E2, E3, E4, E5)
+ dma_map_page(&E1->dev, E2, E3, E4, (enum dma_data_direction)E5)
@@ expression E1, E2, E3, E4; @@
- pci_unmap_page(E1, E2, E3, E4)
+ dma_unmap_page(&E1->dev, E2, E3, (enum dma_data_direction)E4)
@@ expression E1, E2, E3, E4; @@
- pci_map_sg(E1, E2, E3, E4)
+ dma_map_sg(&E1->dev, E2, E3, (enum dma_data_direction)E4)
@@ expression E1, E2, E3, E4; @@
- pci_unmap_sg(E1, E2, E3, E4)
+ dma_unmap_sg(&E1->dev, E2, E3, (enum dma_data_direction)E4)
@@ expression E1, E2, E3, E4; @@
- pci_dma_sync_single_for_cpu(E1, E2, E3, E4)
+ dma_sync_single_for_cpu(&E1->dev, E2, E3, (enum dma_data_direction)E4)
@@ expression E1, E2, E3, E4; @@
- pci_dma_sync_single_for_device(E1, E2, E3, E4)
+ dma_sync_single_for_device(&E1->dev, E2, E3, (enum dma_data_direction)E4)
@@ expression E1, E2, E3, E4; @@
- pci_dma_sync_sg_for_cpu(E1, E2, E3, E4)
+ dma_sync_sg_for_cpu(&E1->dev, E2, E3, (enum dma_data_direction)E4)
@@ expression E1, E2, E3, E4; @@
- pci_dma_sync_sg_for_device(E1, E2, E3, E4)
+ dma_sync_sg_for_device(&E1->dev, E2, E3, (enum dma_data_direction)E4)
@@ expression E1, E2; @@
- pci_dma_mapping_error(E1, E2)
+ dma_mapping_error(&E1->dev, E2)
@@ expression E1, E2; @@
- pci_set_consistent_dma_mask(E1, E2)
+ dma_set_coherent_mask(&E1->dev, E2)
@@ expression E1, E2; @@
- pci_set_dma_mask(E1, E2)
+ dma_set_mask(&E1->dev, E2)
Signed-off-by: Suraj Upadhyay <usuraj35@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20200713143253.GA14953@blackclown
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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I noticed this missing whitespace in a comment inside ni_mio_common.c
Signed-off-by: Garrit Franke <garritfranke@gmail.com>
Link: https://lore.kernel.org/r/20200615135541.46986-1-garritfranke@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixed a coding style issue by adding a blank line after declarations
Signed-off-by: Divyansh Kamboj <kambojdivyansh2000@gmail.com>
Link: https://lore.kernel.org/r/20200605032140.31287-1-kambojdivyansh2000@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert comments that reference mmap_sem to reference mmap_lock instead.
[akpm@linux-foundation.org: fix up linux-next leftovers]
[akpm@linux-foundation.org: s/lockaphore/lock/, per Vlastimil]
[akpm@linux-foundation.org: more linux-next fixups, per Michel]
Signed-off-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Davidlohr Bueso <dbueso@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Laurent Dufour <ldufour@linux.ibm.com>
Cc: Liam Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ying Han <yinghan@google.com>
Link: http://lkml.kernel.org/r/20200520052908.204642-13-walken@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO driver updates from Greg KH:
"Here is the large set of staging and IIO driver changes for 5.8-rc1
Nothing major, but a lot of new IIO drivers are included in here,
along with other core iio cleanups and changes.
On the staging driver front, again, nothing noticable. No new
deletions or additions, just a ton of tiny cleanups all over the tree
done by a lot of different people. Most coding style, but many actual
real fixes and cleanups that are nice to see.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (618 commits)
staging: rtl8723bs: Use common packet header constants
staging: sm750fb: Add names to proc_setBLANK args
staging: most: usb: init return value in default path of switch/case expression
staging: vchiq: Get rid of VCHIQ_SERVICE_OPENEND callback reason
staging: vchiq: move vchiq_release_message() into vchiq
staging: vchi: Get rid of C++ guards
staging: vchi: Get rid of not implemented function declarations
staging: vchi: Get rid of vchiq_status_to_vchi()
staging: vchi: Get rid of vchi_service_set_option()
staging: vchi: Merge vchi_msg_queue() into vchi_queue_kernel_message()
staging: vchiq: Move copy callback handling into vchiq
staging: vchi: Get rid of vchi_queue_user_message()
staging: vchi: Get rid of vchi_service_destroy()
staging: most: usb: use function sysfs_streq
staging: most: usb: add missing put_device calls
staging: most: usb: use correct error codes
staging: most: usb: replace code to calculate array index
staging: most: usb: don't use error path to exit function on success
staging: most: usb: move allocation of URB out of critical section
staging: most: usb: return 0 instead of variable
...
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Fixed a variable name that was Camel case
Signed-off-by: Eric Yu <ejyu99@gmail.com>
Link: https://lore.kernel.org/r/20200503021247.250785-1-ejyu99@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the staging fixes in here too, and this resolves a merge issue
with the vt6656 driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix style issue with declaration by adopting the same style as the
function defintion in drivers/staging/comedi/comedi_buf.c.
Issue reported by checkpatch.
Signed-off-by: John B. Wyatt IV <jbwyatt4@gmail.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Link: https://lore.kernel.org/r/20200329080031.511959-1-jbwyatt4@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull comedi uaccess cleanups from Al Viro:
"Comedi compat ioctls done saner - killing the single biggest pile of
__get_user/__put_user outside of arch/* in the process"
* 'uaccess.comedi' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
comedi: get rid of compat_alloc_user_space() mess in COMEDI_CMD{,TEST} compat
comedi: do_cmd_ioctl(): lift copyin/copyout into the caller
comedi: do_cmdtest_ioctl(): lift copyin/copyout into the caller
comedi: lift copy_from_user() into callers of __comedi_get_user_cmd()
comedi: get rid of compat_alloc_user_space() mess in COMEDI_INSNLIST compat
comedi: get rid of compat_alloc_user_space() mess in COMEDI_INSN compat
comedi: get rid of compat_alloc_user_space() mess in COMEDI_RANGEINFO compat
comedi: get rid of compat_alloc_user_space() mess in COMEDI_CHANINFO compat
comedi: get rid of indirection via translated_ioctl()
comedi: move compat ioctl handling to native fops
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Just take copy_from_user() out of do_insn_ioctl() into the caller and
have compat_insn() build a native version and pass it to do_insn_ioctl()
directly.
One difference from the previous commits is that the helper used to
convert 32bit variant to native has two users - compat_insn() and
compat_insnlist(). The latter will be converted in next commit;
for now we simply split the helper in two variants - "userland 32bit
to kernel native" and "userland 32bit to userland native". The latter
is renamed old get_compat_insn(); it will be gone in the next commit.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Just take copy_from_user() out of do_rangeing_ioctl() into the caller and
have compat_rangeinfo() build a native version and pass it to do_rangeinfo_ioctl()
directly.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Just take copy_from_user() out of do_chaninfo_ioctl() into the caller and
have compat_chaninfo() build a native version and pass it to do_chaninfo_ioctl()
directly.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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mechanical move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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comedi_open() invokes comedi_dev_get_from_minor(), which returns a
reference of the COMEDI device to "dev" with increased refcount.
When comedi_open() returns, "dev" becomes invalid, so the refcount
should be decreased to keep refcount balanced.
The reference counting issue happens in one exception handling path of
comedi_open(). When "cfp" allocation is failed, the refcnt increased by
comedi_dev_get_from_minor() is not decreased, causing a refcnt leak.
Fix this issue by calling comedi_dev_put() on this error path when "cfp"
allocation is failed.
Fixes: 20f083c07565 ("staging: comedi: prepare support for per-file read and write subdevices")
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/1587361459-83622-1-git-send-email-xiyuyang19@fudan.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The DT2815 analog output command is 16 bits wide, consisting of the
12-bit sample value in bits 15 to 4, the channel number in bits 3 to 1,
and a voltage or current selector in bit 0. Both bytes of the 16-bit
command need to be written in turn to a single 8-bit data register.
However, the driver currently only writes the low 8-bits. It is broken
and appears to have always been broken.
Electronic copies of the DT2815 User's Manual seem impossible to find
online, but looking at the source code, a best guess for the sequence
the driver intended to use to write the analog output command is as
follows:
1. Wait for the status register to read 0x00.
2. Write the low byte of the command to the data register.
3. Wait for the status register to read 0x80.
4. Write the high byte of the command to the data register.
Step 4 is missing from the driver. Add step 4 to (hopefully) fix the
driver.
Also add a "FIXME" comment about setting bit 0 of the low byte of the
command. Supposedly, it is used to choose between voltage output and
current output, but the current driver always sets it to 1.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200406142015.126982-1-abbotti@mev.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
Pull SPDX updates from Greg KH:
"Here are three SPDX patches for 5.7-rc1.
One fixes up the SPDX tag for a single driver, while the other two go
through the tree and add SPDX tags for all of the .gitignore files as
needed.
Nothing too complex, but you will get a merge conflict with your
current tree, that should be trivial to handle (one file modified by
two things, one file deleted.)
All three of these have been in linux-next for a while, with no
reported issues other than the merge conflict"
* tag 'spdx-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx:
ASoC: MT6660: make spdxcheck.py happy
.gitignore: add SPDX License Identifier
.gitignore: remove too obvious comments
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