From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 17 Dec 2020 11:01:48 +0000 (+0300)
Subject: cifs: Delete a stray unlock in cifs_swn_reconnect()
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=6a29ab57f4e903264ea7b6663352244379c0a8e5;p=uclinux-h8%2Flinux.git

cifs: Delete a stray unlock in cifs_swn_reconnect()

The unlock is done in the caller, this is a stray which leads to a
double unlock bug.

Fixes: bf80e5d4259a ("cifs: Send witness register and unregister commands to userspace daemon")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Samuel Cabrero <scabrero@suse.de>
Signed-off-by: Steve French <stfrench@microsoft.com>
---

diff --git a/fs/cifs/cifs_swn.c b/fs/cifs/cifs_swn.c
index c594e588a8b5..b2ef082d6438 100644
--- a/fs/cifs/cifs_swn.c
+++ b/fs/cifs/cifs_swn.c
@@ -285,8 +285,6 @@ static struct cifs_swn_reg *cifs_find_swn_reg(struct cifs_tcon *tcon)
 			continue;
 		}
 
-		mutex_unlock(&cifs_swnreg_idr_mutex);
-
 		cifs_dbg(FYI, "Existing swn registration for %s:%s found\n", swnreg->net_name,
 				swnreg->share_name);