amd/display: Fix potential null dereference in dce_calcs.c

Reported by smatch: bw_calcs() error: potential null dereference 'data' Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Ernst Sjöstrand <ernstp@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
mariux64 · Nov 8, 2017 · f368d3b · f368d3b
1 parent d83e87b
commit f368d3b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
@@ -2794,6 +2794,8 @@ bool bw_calcs(struct dc_context *ctx,
 {
 	struct bw_calcs_data *data = kzalloc(sizeof(struct bw_calcs_data),
 					     GFP_KERNEL);
+	if (!data)
+		return false;
 
 	populate_initial_data(pipe, pipe_count, data);