On 7/7/2023 4:12 PM, Dmitry Baryshkov wrote:
Using IS_ERR_OR_NULL() together with PTR_ERR() is a typical mistake. If
the value is NULL, then the function will return 0 instead of a proper
return code. Replace IS_ERR_OR_NULL() with IS_ERR() in the
dpu_hw_intr_init() error check.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Hi Dmitry,
Reviewed-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>
Thanks,
Jessica Zhang
---
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index e7ac02e92f42..85b8c9cc99ef 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -1096,7 +1096,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
}
dpu_kms->hw_intr = dpu_hw_intr_init(dpu_kms->mmio, dpu_kms->catalog);
- if (IS_ERR_OR_NULL(dpu_kms->hw_intr)) {
+ if (IS_ERR(dpu_kms->hw_intr)) {
rc = PTR_ERR(dpu_kms->hw_intr);
DPU_ERROR("hw_intr init failed: %d\n", rc);
dpu_kms->hw_intr = NULL;
--
2.39.2
