linux-kernel - [PATCH] qed: Fix missing error code in qed_slowpath

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Date:   Sat,  9 Oct 2021 16:09:26 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     aelior@...vell.com
Cc:     GR-everest-linux-l2@...vell.com, davem@...emloft.net,
        kuba@...nel.org, linux@...linux.org.uk, ast@...nel.org,
        daniel@...earbox.net, hawk@...nel.org, john.fastabend@...il.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org, chongjiapeng <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] qed: Fix missing error code in qed_slowpath_start()

From: chongjiapeng <jiapeng.chong@...ux.alibaba.com>

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

Eliminate the follow smatch warning:

drivers/net/ethernet/qlogic/qed/qed_main.c:1298 qed_slowpath_start()
warn: missing error code 'rc'.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Fixes: d51e4af5c209 ("qed: aRFS infrastructure support")
Signed-off-by: chongjiapeng <jiapeng.chong@...ux.alibaba.com>
---
 drivers/net/ethernet/qlogic/qed/qed_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index 5e7242304ee2..359ad859ae18 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -1295,6 +1295,7 @@ static int qed_slowpath_start(struct qed_dev *cdev,
 			} else {
 				DP_NOTICE(cdev,
 					  "Failed to acquire PTT for aRFS\n");
+				rc = -EINVAL;
 				goto err;
 			}
 		}
-- 
2.19.1.6.gb485710b