From a5f37c3252b174efdcdd808797a7c529064c95c0 Mon Sep 17 00:00:00 2001
From: Sven Schnelle <svens@stackframe.org>
Date: Wed, 2 Apr 2008 13:17:18 +0100
Subject: [PATCH] afs: add missing up_write() on return

If afs_cell_alloc() fails, afs_cells_sem doesn't get unlocked, which
leads to a deadlock.  Unlock it before returning.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/afs/cell.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/afs/cell.c b/fs/afs/cell.c
index 788865df1b..584bb0f9c3 100644
--- a/fs/afs/cell.c
+++ b/fs/afs/cell.c
@@ -138,6 +138,7 @@ struct afs_cell *afs_cell_create(const char *name, char *vllist)
 	cell = afs_cell_alloc(name, vllist);
 	if (IS_ERR(cell)) {
 		_leave(" = %ld", PTR_ERR(cell));
+		up_write(&afs_cells_sem);
 		return cell;
 	}
 
-- 
2.39.5