linux-kernel - [PATCH] drm/etnaviv: Remove redundant NULL check

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Date:   Tue, 23 Mar 2021 10:46:12 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     l.stach@...gutronix.de
Cc:     linux+etnaviv@...linux.org.uk, christian.gmeiner@...il.com,
        airlied@...ux.ie, daniel@...ll.ch, sumit.semwal@...aro.org,
        christian.koenig@....com, etnaviv@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, linaro-mm-sig@...ts.linaro.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] drm/etnaviv: Remove redundant NULL check

Fix the following coccicheck warnings:

./drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c:622:2-8: WARNING: NULL
check before some freeing functions is not needed.

./drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c:618:2-8: WARNING: NULL
check before some freeing functions is not needed.

./drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c:616:2-8: WARNING: NULL
check before some freeing functions is not needed.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
index d05c359..bd0d66e 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
@@ -612,14 +612,10 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
 err_submit_cmds:
 	if (ret && (out_fence_fd >= 0))
 		put_unused_fd(out_fence_fd);
-	if (stream)
-		kvfree(stream);
-	if (bos)
-		kvfree(bos);
-	if (relocs)
-		kvfree(relocs);
-	if (pmrs)
-		kvfree(pmrs);
+	kvfree(stream);
+	kvfree(bos);
+	kvfree(relocs);
+	kvfree(pmrs);
 
 	return ret;
 }
-- 
1.8.3.1