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)
committerBen Hutchings <ben@decadent.org.uk>
Sun, 14 Dec 2014 16:23:54 +0000 (16:23 +0000)
commit7ce77510c9c7dc76bd03687daa7d909aee948182
tree935787831ff995bb34faece3638d0a0c7b39d059
parent18c2ebcacbaabe061a808c1f0e3076bc8d626587
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: Ben Hutchings <ben@decadent.org.uk>
drivers/usb/serial/opticon.c