linux-kernel - [PATCH 5.13 228/800] drivers: hv: Fix missing error code in vmbus

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Message-Id: <20210712060945.918224950@linuxfoundation.org>
Date:   Mon, 12 Jul 2021 08:04:11 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Abaci Robot <abaci@...ux.alibaba.com>,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Michael Kelley <mikelley@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.13 228/800] drivers: hv: Fix missing error code in vmbus_connect()

From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>

[ Upstream commit 9de6655cc5a6a1febc514465c87c24a0e96d8dba ]

Eliminate the follow smatch warning:

drivers/hv/connection.c:236 vmbus_connect() warn: missing error code
'ret'.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Reviewed-by: Michael Kelley <mikelley@...rosoft.com>
Link: https://lore.kernel.org/r/1621940321-72353-1-git-send-email-jiapeng.chong@linux.alibaba.com
Signed-off-by: Wei Liu <wei.liu@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/hv/connection.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 311cd005b3be..5e479d54918c 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -232,8 +232,10 @@ int vmbus_connect(void)
 	 */
 
 	for (i = 0; ; i++) {
-		if (i == ARRAY_SIZE(vmbus_versions))
+		if (i == ARRAY_SIZE(vmbus_versions)) {
+			ret = -EDOM;
 			goto cleanup;
+		}
 
 		version = vmbus_versions[i];
 		if (version > max_version)
-- 
2.30.2