* [PATCH] drm/imx: Fix ipu_plane_duplicate_state() OOM handling
@ 2026-07-06 14:02 Osama Abdelkader
0 siblings, 0 replies; only message in thread
From: Osama Abdelkader @ 2026-07-06 14:02 UTC (permalink / raw)
To: Philipp Zabel, Maarten Lankhorst, Maxime Ripard,
Thomas Zimmermann, David Airlie, Simona Vetter, Frank Li,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam, dri-devel,
imx, linux-arm-kernel, linux-kernel
Cc: Osama Abdelkader
If kmalloc fails, with state == NULL &state->base dereference NULL
Signed-off-by: Osama Abdelkader <osama.abdelkader@gmail.com>
---
drivers/gpu/drm/imx/ipuv3/ipuv3-plane.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/imx/ipuv3/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3/ipuv3-plane.c
index c7ec09e557c1..67f2da7f2b65 100644
--- a/drivers/gpu/drm/imx/ipuv3/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3/ipuv3-plane.c
@@ -323,9 +323,10 @@ ipu_plane_duplicate_state(struct drm_plane *plane)
return NULL;
state = kmalloc_obj(*state);
- if (state)
- __drm_atomic_helper_plane_duplicate_state(plane, &state->base);
+ if (!state)
+ return NULL;
+ __drm_atomic_helper_plane_duplicate_state(plane, &state->base);
return &state->base;
}
--
2.43.0
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