The kmemdup() function may return NULL in case of error. Add NULL checking to prevent potential null deference.
Signed-off-by: Miaoqian Lin linmq006@gmail.com --- drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c index cfedfb1e8596..59d55f752aa7 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c @@ -1060,6 +1060,8 @@ static int kfd_parse_subtype_iolink(struct crat_subtype_iolink *iolink, return -ENODEV; /* same everything but the other direction */ props2 = kmemdup(props, sizeof(*props2), GFP_KERNEL); + if (!props2) + return -ENOMEM; props2->node_from = id_to; props2->node_to = id_from; props2->kobj = NULL;