kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Fixes: a9e2559c931d ("drm/msm/gpu: Move zap shader loading to adreno")
Signed-off-by: Kunwu Chan <chentao@xxxxxxxxxx>
---
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 3fe9fd240cc7..0ebf86ffd57b 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -144,6 +144,10 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname,
char *newname;
newname = kasprintf(GFP_KERNEL, "qcom/%s", fwname);
+ if (!newname) {
+ ret = -ENOMEM;
+ goto out;
+ }
ret = qcom_mdt_load(dev, fw, newname, pasid,
mem_region, mem_phys, mem_size, NULL);
--
2.34.1
