linux-kernel - [PATCH] drivers: hv: Fix missing error code in vmbus

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Message-Id: <1621940321-72353-1-git-send-email-jiapeng.chong@linux.alibaba.com>
Date:   Tue, 25 May 2021 18:58:41 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     kys@...rosoft.com
Cc:     haiyangz@...rosoft.com, sthemmin@...rosoft.com, wei.liu@...nel.org,
        decui@...rosoft.com, linux-hyperv@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] drivers: hv: Fix missing error code in vmbus_connect()

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>
---
 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 311cd00..5e479d5 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)
-- 
1.8.3.1