drm: Distinguish no name from ENOMEM in set_unique()
authorTom Gundersen <teg@jklm.no>
Wed, 21 Sep 2016 14:59:18 +0000 (16:59 +0200)
committerSean Paul <seanpaul@chromium.org>
Thu, 22 Sep 2016 11:03:42 +0000 (04:03 -0700)
commitc6bf811a0b55ab224fb2c75345641b4bb599475c
treef7da9bef6b7d107efd85ede18571e5e76c9c612a
parentf566911ae1a30e486608e0e74593f4450e1a5ff2
drm: Distinguish no name from ENOMEM in set_unique()

If passing name == NULL to drm_drv_set_unique() we now get -ENOMEM
as kstrdup() returns NULL. Instead check for this explicitly and
return -EINVAL if no name is provided.

Signed-off-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20160921145919.13754-1-teg@jklm.no
drivers/gpu/drm/drm_drv.c