[PATCH] drm/msm: remove unnecessary NULL check

Dan Carpenter dan.carpenter at linaro.org
Fri Oct 13 07:17:08 UTC 2023


This NULL check was required when it was added, but we shuffled the code
around in commit 1f50db2f3e1e ("drm/msm/mdp5: move resource allocation
to the _probe function") and now it's not.  The inconsistent NULL
checking triggers a Smatch warning:

    drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c:847 mdp5_init() warn:
    variable dereferenced before check 'mdp5_kms' (see line 782)

Signed-off-by: Dan Carpenter <dan.carpenter at linaro.org>
---
 drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
index 11d9fc2c6bf5..ec933d597e20 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
@@ -844,8 +844,7 @@ static int mdp5_init(struct platform_device *pdev, struct drm_device *dev)
 
 	return 0;
 fail:
-	if (mdp5_kms)
-		mdp5_destroy(mdp5_kms);
+	mdp5_destroy(mdp5_kms);
 	return ret;
 }
 
-- 
2.39.2



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