USB: opticon: fix non-atomic allocation in write path
authorJohan Hovold <johan@kernel.org>
Wed, 29 Oct 2014 08:07:31 +0000 (09:07 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 14 Nov 2014 16:47:59 +0000 (08:47 -0800)
commit547d682d568271cf537af2850a066a287a51b62b
tree82dc01ee43222989987c973081d2bdf89a9d2cc3
parentb0476c87764ac62d79390678cefb3821308a5d08
USB: opticon: fix non-atomic allocation in write path

commit e681286de221af78fc85db9222b6a203148c005a upstream.

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")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/opticon.c