From: Osama Abdelkader <osama.abdelkader@gmail.com>
To: Philipp Zabel <p.zabel@pengutronix.de>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Frank Li <Frank.Li@nxp.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
dri-devel@lists.freedesktop.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Osama Abdelkader <osama.abdelkader@gmail.com>
Subject: [PATCH] drm/imx: Fix ipu_plane_duplicate_state() OOM handling
Date: Mon, 6 Jul 2026 16:02:45 +0200 [thread overview]
Message-ID: <20260706140246.41506-1-osama.abdelkader@gmail.com> (raw)
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
reply other threads:[~2026-07-06 14:03 UTC|newest]
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