linux-kernel - [PATCH 1/4] cxgb4: remove redundant NULL check

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Date:   Mon, 25 Jan 2021 17:47:22 +0800
From:   Yang Li <abaci-bugfix@...ux.alibaba.com>
To:     davem@...emloft.net
Cc:     kuba@...nel.org, rajur@...lsio.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Yang Li <abaci-bugfix@...ux.alibaba.com>
Subject: [PATCH 1/4] cxgb4: remove redundant NULL check

Fix below warnings reported by coccicheck:
./drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c:327:3-9: WARNING: NULL
check before some freeing functions is not needed.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <abaci-bugfix@...ux.alibaba.com>
---
 drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
index ce28820..12fcf84 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
@@ -323,8 +323,7 @@ void t4_cleanup_clip_tbl(struct adapter *adap)
 	struct clip_tbl *ctbl = adap->clipt;
 
 	if (ctbl) {
-		if (ctbl->cl_list)
-			kvfree(ctbl->cl_list);
+		kvfree(ctbl->cl_list);
 		kvfree(ctbl);
 	}
 }
-- 
1.8.3.1