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| author | Johan Hovold <johan@kernel.org> | 2014-10-29 09:07:31 +0100 |
|---|---|---|
| committer | Johan Hovold <johan@kernel.org> | 2014-11-03 09:07:30 +0100 |
| commit | e681286de221af78fc85db9222b6a203148c005a (patch) | |
| tree | 10200bb2cafde8e2097b2ad139eb66042c1dda63 | |
| parent | 191252837626fca0de694c18bb2aa64c118eda89 (diff) | |
| download | linux-stable-e681286de221af78fc85db9222b6a203148c005a.tar.gz linux-stable-e681286de221af78fc85db9222b6a203148c005a.tar.bz2 linux-stable-e681286de221af78fc85db9222b6a203148c005a.zip | |
USB: opticon: fix non-atomic allocation in write path
Write may be called from interrupt context so make sure to use
GFP_ATOMIC for all allocations in write.
Fixes: 0d930e51cfe6 ("USB: opticon: Add Opticon OPN2001 write support")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
| -rw-r--r-- | drivers/usb/serial/opticon.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index 4856fb7e637e..4b7bfb394a32 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -215,7 +215,7 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port, /* The connected devices do not have a bulk write endpoint, * to transmit data to de barcode device the control endpoint is used */ - dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_NOIO); + dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC); if (!dr) { count = -ENOMEM; goto error_no_dr; |