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charset="utf-8" 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 wri= teback") Signed-off-by: Qianfeng Rong Reviewed-by: Dmitry Baryshkov --- 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 =3D to_dpu_encoder_phys_wb(phys_enc); =20 --=20 2.34.1