Change 'ret' from unsigned long to int, as storing negative error codes
in an unsigned long makes it never equal to -ETIMEDOUT, causing logical
errors.
Fixes: d7d0e73f7de3 ("drm/msm/dpu: introduce the dpu_encoder_phys_* for writeback")
Signed-off-by: Qianfeng Rong <rongqianfeng@xxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
index 56a5b596554d..46f348972a97 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
@@ -446,7 +446,7 @@ static void _dpu_encoder_phys_wb_handle_wbdone_timeout(
static int dpu_encoder_phys_wb_wait_for_commit_done(
struct dpu_encoder_phys *phys_enc)
{
- unsigned long ret;
+ int ret;
struct dpu_encoder_wait_info wait_info;
struct dpu_encoder_phys_wb *wb_enc = to_dpu_encoder_phys_wb(phys_enc);
--
2.34.1
