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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-09-29 18:27:03 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-09-29 18:27:03 -0700
commitd7173493683853047d6efc8d4454c70469a7b033 (patch)
tree8e6dac16d3104494b5cc2f33756c582ecdc3b753 /drivers/usb/core/devio.c
parent80d26236c7c583ea2f43b68008ab7e067102c62c (diff)
parent15c03dd4859ab16f9212238f29dd315654aa94f6 (diff)
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Merge 3.12-rc3 into char-misc-next
We need/want the mei fixes in here so we can apply other updates that are depending on them. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/devio.c')
-rw-r--r--drivers/usb/core/devio.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 737e3c19967b..71dc5d768fa5 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -742,6 +742,22 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype,
if ((index & ~USB_DIR_IN) == 0)
return 0;
ret = findintfep(ps->dev, index);
+ if (ret < 0) {
+ /*
+ * Some not fully compliant Win apps seem to get
+ * index wrong and have the endpoint number here
+ * rather than the endpoint address (with the
+ * correct direction). Win does let this through,
+ * so we'll not reject it here but leave it to
+ * the device to not break KVM. But we warn.
+ */
+ ret = findintfep(ps->dev, index ^ 0x80);
+ if (ret >= 0)
+ dev_info(&ps->dev->dev,
+ "%s: process %i (%s) requesting ep %02x but needs %02x\n",
+ __func__, task_pid_nr(current),
+ current->comm, index, index ^ 0x80);
+ }
if (ret >= 0)
ret = checkintf(ps, ret);
break;