[PATCH 5.11 423/601] fs: dlm: fix missing unlock on error in accept_from_sock()

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From: Yang Yingliang <yangyingliang@xxxxxxxxxx>

[ Upstream commit 2fd8db2dd05d895961c7c7b9fa02d72f385560e4 ]

Add the missing unlock before return from accept_from_sock()
in the error handling case.

Fixes: 6cde210a9758 ("fs: dlm: add helper for init connection")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Signed-off-by: David Teigland <teigland@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 fs/dlm/lowcomms.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 372c34ff8594..f7d2c52791f8 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -908,6 +908,7 @@ static int accept_from_sock(struct listen_connection *con)
 			result = dlm_con_init(othercon, nodeid);
 			if (result < 0) {
 				kfree(othercon);
+				mutex_unlock(&newcon->sock_mutex);
 				goto accept_err;
 			}
 
-- 
2.30.2






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