linux-kernel - [PATCH AUTOSEL 4.19 01/55] drm/etnaviv: fix NULL check before some freeing functions is not needed

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Message-Id: <20210706112638.2065023-1-sashal@kernel.org>
Date:   Tue,  6 Jul 2021 07:25:44 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Tian Tao <tiantao6@...ilicon.com>,
        Christian König <christian.koenig@....com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Sasha Levin <sashal@...nel.org>, etnaviv@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 4.19 01/55] drm/etnaviv: fix NULL check before some freeing functions is not needed

From: Tian Tao <tiantao6@...ilicon.com>

[ Upstream commit 7d614ab2f20503ed8766363d41f8607337571adf ]

fixed the below warning:
drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c:84:2-8: WARNING: NULL check
before some freeing functions is not needed.

Signed-off-by: Tian Tao <tiantao6@...ilicon.com>
Acked-by: Christian König <christian.koenig@....com>
Signed-off-by: Lucas Stach <l.stach@...gutronix.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
index f21529e635e3..dd814d42a0f9 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
@@ -75,8 +75,7 @@ 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);
 }
-- 
2.30.2