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authorSven Schnelle <svens@stackframe.org>2008-04-02 13:17:18 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-02 07:40:54 -0700
commita5f37c3252b174efdcdd808797a7c529064c95c0 (patch)
tree8932c50a54cdbeb1fadda70f388bbc53d6407d9c /fs/afs
parent0e81a8ae37687845f7cdfa2adce14ea6a5f1dd34 (diff)
downloadlwn-a5f37c3252b174efdcdd808797a7c529064c95c0.tar.gz
lwn-a5f37c3252b174efdcdd808797a7c529064c95c0.zip
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>
Diffstat (limited to 'fs/afs')
-rw-r--r--fs/afs/cell.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/afs/cell.c b/fs/afs/cell.c
index 788865df1bc9..584bb0f9c36a 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;
}