From: Jiapeng Zhong <abaci-bugfix@linux.alibaba.com>
To: l.stach@pengutronix.de
Cc: airlied@linux.ie, daniel@ffwll.ch, sumit.semwal@linaro.org,
christian.koenig@amd.com, linux+etnaviv@armlinux.org.uk,
etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
linaro-mm-sig@lists.linaro.org,
Jiapeng Zhong <abaci-bugfix@linux.alibaba.com>
Subject: [PATCH] drm/gem: remove redundant NULL check
Date: Tue, 26 Jan 2021 17:43:07 +0800 [thread overview]
Message-ID: <1611654187-95651-1-git-send-email-abaci-bugfix@linux.alibaba.com> (raw)
Fix below warnings reported by coccicheck:
./drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c:80:2-8: WARNING: NULL
check before some freeing functions is not needed.
./drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c:612:2-8: WARNING: NULL
check before some freeing functions is not needed.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Zhong <abaci-bugfix@linux.alibaba.com>
---
drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c | 3 +--
drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 12 ++++--------
2 files changed, 5 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
index d9bd832..c402d424 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
@@ -80,8 +80,7 @@ static void etnaviv_gem_prime_release(struct etnaviv_gem_object *etnaviv_obj)
/* Don't drop the pages for imported dmabuf, as they are not
* ours, just free the array we allocated:
*/
- if (etnaviv_obj->pages)
- kvfree(etnaviv_obj->pages);
+ kvfree(etnaviv_obj->pages);
drm_prime_gem_destroy(&etnaviv_obj->base, etnaviv_obj->sgt);
}
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
reply other threads:[~2021-01-26 14:44 UTC|newest]
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