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charset="utf-8" xe_svm_range_alloc() returns ERR_PTR(-ENOMEM) on failure and there is a dereference of "range" after that: --> range->gpusvm =3D gpusvm; In xe_svm_range_alloc(), when memory allocation fails return NULL instead to handle this situation. Fixes: 99624bdff867 ("drm/gpusvm: Add support for GPU Shared Virtual Memory= ") Reported-by: Dan Carpenter Closes: https://lore.kernel.org/all/adaef4dd-5866-48ca-bc22-4a1ddef20381@st= anley.mountain/ Signed-off-by: Harshit Mogalapalli Reviewed-by: Christophe JAILLET Reviewed-by: Matthew Brost --- This is based on static analysis and only compile tested. --- drivers/gpu/drm/xe/xe_svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c index 52e04e7e343f..a79df8cf1f36 100644 --- a/drivers/gpu/drm/xe/xe_svm.c +++ b/drivers/gpu/drm/xe/xe_svm.c @@ -80,7 +80,7 @@ xe_svm_range_alloc(struct drm_gpusvm *gpusvm) =20 range =3D kzalloc(sizeof(*range), GFP_KERNEL); if (!range) - return ERR_PTR(-ENOMEM); + return NULL; =20 INIT_LIST_HEAD(&range->garbage_collector_link); xe_vm_get(gpusvm_to_vm(gpusvm)); --=20 2.39.3