netdev - [PATCH] cxgb4: Fix missing error code in cxgb4_port_mirror

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Date: Fri, 27 Oct 2023 12:00:57 +0800
From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To: rajur@...lsio.com
Cc: davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
	Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] cxgb4: Fix missing error code in cxgb4_port_mirror_alloc()

The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'ret'.

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c:1525 cxgb4_port_mirror_alloc() warn: missing error code 'ret'.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=7063
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 2eb33a727bba..e59e199184f4 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -1522,6 +1522,7 @@ int cxgb4_port_mirror_alloc(struct net_device *dev)
 	mutex_lock(&pi->vi_mirror_mutex);
 	if (pi->viid_mirror) {
 		pi->vi_mirror_count++;
+		ret = -EINVAL;
 		goto out_unlock;
 	}
 
-- 
2.20.1.7.g153144c