linux-kernel - [PATCH] net: tun: Remove redundant null checks before kfree

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Message-Id: <20221129084329.92345-1-zys.zljxml@gmail.com>
Date:   Tue, 29 Nov 2022 16:43:29 +0800
From:   zys.zljxml@...il.com
To:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yushan Zhou <katrinzhou@...cent.com>
Subject: [PATCH] net: tun: Remove redundant null checks before kfree

From: Yushan Zhou <katrinzhou@...cent.com>

Fix the following coccicheck warning:
./drivers/gpu/host1x/fence.c:97:2-7: WARNING:
NULL check before some freeing functions is not needed.

Signed-off-by: Yushan Zhou <katrinzhou@...cent.com>
---
 drivers/gpu/host1x/fence.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/host1x/fence.c b/drivers/gpu/host1x/fence.c
index ecab72882192..05b36bfc8b74 100644
--- a/drivers/gpu/host1x/fence.c
+++ b/drivers/gpu/host1x/fence.c
@@ -93,8 +93,7 @@ static void host1x_syncpt_fence_release(struct dma_fence *f)
 {
 	struct host1x_syncpt_fence *sf = to_host1x_fence(f);
 
-	if (sf->waiter)
-		kfree(sf->waiter);
+	kfree(sf->waiter);
 
 	dma_fence_free(f);
 }
-- 
2.27.0