[PATCH] drm/amd/display: Trigger bug when allocation fails.

Tom St Denis tom.stdenis at amd.com
Tue Oct 17 17:45:54 UTC 2017


If the allocation fails in amdgpu_dm_connector_funcs_reset() the
API cannot continue so trigger a BUG_ON.

Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 58e29a2a5ca6..ac58ba4f10cf 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2722,6 +2722,7 @@ void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector)
 	kfree(state);
 
 	state = kzalloc(sizeof(*state), GFP_KERNEL);
+	BUG_ON(state == NULL);
 
 	if (state) {
 		state->scaling = RMX_OFF;
-- 
2.12.0



More information about the amd-gfx mailing list