iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm: atmel-hlcdc: fix a NULL check

Browse Source 
If kmalloc() returned NULL we would end up dereferencing "state" a
couple lines later.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This commit is contained in:
Dan Carpenter 2016-04-25 12:04:54 +03:00 committed by Boris Brezillon
parent c2e4c99444
commit 58a2ab3af7
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
View File

@ -414,7 +414,8 @@ atmel_hlcdc_crtc_duplicate_state(struct drm_crtc *crtc)
return NULL; return NULL;
state = kmalloc(sizeof(*state), GFP_KERNEL); state = kmalloc(sizeof(*state), GFP_KERNEL);
if (state) if (!state)
return NULL;
__drm_atomic_helper_crtc_duplicate_state(crtc, &state->base); __drm_atomic_helper_crtc_duplicate_state(crtc, &state->base);
cur = drm_crtc_state_to_atmel_hlcdc_crtc_state(crtc->state); cur = drm_crtc_state_to_atmel_hlcdc_crtc_state(crtc->state);