diff mbox series

[v4,02/13] drm/msm/dpu: remove IS_ERR_OR_NULL for dpu_hw_intr_init() error handling

Message ID 20231201211845.1026967-3-dmitry.baryshkov@linaro.org
State Accepted
Commit b830b06f008755526646bb1d12500c8ccd8be335
Headers show
Series drm/msm/dpu: use managed memory allocations | expand

Commit Message

Dmitry Baryshkov Dec. 1, 2023, 9:18 p.m. UTC 
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.

Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 3b6ed60e1143..8fa1f8f52e70 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -1150,7 +1150,7 @@  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;