linux-kernel - [PATCH] sfc-falcon: Fix missing error code in ef4_reset

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Message-Id: <1622545602-19483-1-git-send-email-jiapeng.chong@linux.alibaba.com>
Date:   Tue,  1 Jun 2021 19:06:42 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     ecree.xilinx@...il.com
Cc:     habetsm.xilinx@...il.com, davem@...emloft.net, kuba@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] sfc-falcon: Fix missing error code in ef4_reset_up()

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/sfc/falcon/efx.c:2389 ef4_reset_up() warn: missing
error code 'rc'.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/net/ethernet/sfc/falcon/efx.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/sfc/falcon/efx.c b/drivers/net/ethernet/sfc/falcon/efx.c
index 5e7a57b..d336c24 100644
--- a/drivers/net/ethernet/sfc/falcon/efx.c
+++ b/drivers/net/ethernet/sfc/falcon/efx.c
@@ -2385,8 +2385,10 @@ int ef4_reset_up(struct ef4_nic *efx, enum reset_type method, bool ok)
 		goto fail;
 	}
 
-	if (!ok)
+	if (!ok) {
+		rc = -EINVAL;
 		goto fail;
+	}
 
 	if (efx->port_initialized && method != RESET_TYPE_INVISIBLE &&
 	    method != RESET_TYPE_DATAPATH) {
-- 
1.8.3.1