shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-05-13 07:35:24 +09:00
Code Issues Packages Projects Releases Wiki Activity

amdgpu/dc: handle allocation failures in dc_commit_planes_to_stream.

Browse Source 
Reported-by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:966 dc_commit_planes_to_stream() error: potential null dereference 'flip_addr'.  (kcalloc returns null)
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:968 dc_commit_planes_to_stream() error: potential null dereference 'plane_info'.  (kcalloc returns null)
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:978 dc_commit_planes_to_stream() error: potential null dereference 'scaling_info'.  (kcalloc returns null)

Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dave Airlie
2017-11-07 05:21:18 +10:00
committed by Alex Deucher
parent bf5563ede9
commit f7dbc385c1
1 changed files with 8 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/amd/display/dc/core/dc.c
View File

@@ -952,6 +952,14 @@ bool dc_commit_planes_to_stream(
scaling_info = kcalloc(MAX_SURFACES, sizeof(struct dc_scaling_info),
GFP_KERNEL);
if (!flip_addr || !plane_info || !scaling_info) {
kfree(flip_addr);
kfree(plane_info);
kfree(scaling_info);
kfree(stream_update);
return false;
}
memset(updates, 0, sizeof(updates));
stream_update->src = dc_stream->src;