diff mbox series

[1/3] cifs: Delete a stray unlock in cifs_swn_reconnect()

Message ID X9s6nGDLt4xreaYN@mwanda
State New
Headers show
Series [1/3] cifs: Delete a stray unlock in cifs_swn_reconnect() | expand

Commit Message

Dan Carpenter Dec. 17, 2020, 11:01 a.m. UTC 
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>
---
 fs/cifs/cifs_swn.c | 2 --
 1 file changed, 2 deletions(-)

Comments

Samuel Cabrero Dec. 17, 2020, 11:40 a.m. UTC | #1 
On Thu, 2020-12-17 at 14:01 +0300, Dan Carpenter wrote:
> The unlock is done in the caller, this is a stray which leads to a
> double unlock bug.
> 

Indeed.

Reviewed-by: Samuel Cabrero <scabrero@suse.de>
diff mbox series

Patch

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);