[PATCH] drm/msm/dpu: Fix uninitialized variable

From: Ethan Carter Edwards
Date: Sun Feb 09 2025 - 22:33:10 EST


There is a possibility for an uninitialized *ret* variable to be
returned in some code paths.

Fix this by initializing *ret* to 0.

Addresses-Coverity-ID: 1642546 ("Uninitialized scalar variable")
Fixes: 774bcfb731765d ("drm/msm/dpu: add support for virtual planes")
Signed-off-by: Ethan Carter Edwards <ethan@xxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index 098abc2c0003cde90ce6219c97ee18fa055a92a5..74edaa9ecee72111b70f32b832486aeebe545a28 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -1164,7 +1164,7 @@ int dpu_assign_plane_resources(struct dpu_global_state *global_state,
unsigned int num_planes)
{
unsigned int i;
- int ret;
+ int ret = 0;

for (i = 0; i < num_planes; i++) {
struct drm_plane_state *plane_state = states[i];

---
base-commit: a64dcfb451e254085a7daee5fe51bf22959d52d3
change-id: 20250209-dpu-c3fac78fc617

Best regards,
--
Ethan Carter Edwards <ethan@xxxxxxxxxxxxxxxxx>