[PATCH] drm/vmwgfx: Fix NULL vs error pointer bug in vmw_prime_import_sg_table()

From: Dan Carpenter

Date: Mon Jun 29 2026 - 02:34:26 EST


The vmw_prime_import_sg_table() function is expected to return error
pointers on error and not NULL. Otherwise it leads to a NULL dereference
in the caller drm_gem_prime_import_dev().

Change the NULL to ERR_PTR(-ENOMEM).

Fixes: b32233acceff ("drm/vmwgfx: Fix prime import/export")
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_gem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c
index 39f8c46550c2..f25db04f8777 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c
@@ -184,7 +184,7 @@ struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev,
{
int ret;
struct vmw_private *dev_priv = vmw_priv(dev);
- struct drm_gem_object *gem = NULL;
+ struct drm_gem_object *gem = ERR_PTR(-ENOMEM);
struct vmw_bo *vbo;
struct vmw_bo_params params = {
.domain = (dev_priv->has_mob) ? VMW_BO_DOMAIN_SYS : VMW_BO_DOMAIN_VRAM,
--
2.53.0