From ba03bda81e160b2724451074cdcb597d14f7d7e0 Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Thu, 30 Jun 2005 02:59:04 -0700
Subject: [PATCH] [PATCH] freevxfs: fix buffer_head leak
- fix a buffer_head leak in vxfs_getfsh()
- s/SLAB_KERNEL/GFP_KERNEL/
- check sb_bread() return value
- drop pointless buffer-mapped() test.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
fs/freevxfs/vxfs_fshead.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/fs/freevxfs/vxfs_fshead.c b/fs/freevxfs/vxfs_fshead.c
index 05b19f70bf97..6dee109aeea4 100644
--- a/fs/freevxfs/vxfs_fshead.c
+++ b/fs/freevxfs/vxfs_fshead.c
@@ -78,17 +78,18 @@ vxfs_getfsh(struct inode *ip, int which)
struct buffer_head *bp;
bp = vxfs_bread(ip, which);
- if (buffer_mapped(bp)) {
+ if (bp) {
struct vxfs_fsh *fhp;
- if (!(fhp = kmalloc(sizeof(*fhp), SLAB_KERNEL)))
- return NULL;
+ if (!(fhp = kmalloc(sizeof(*fhp), GFP_KERNEL)))
+ goto out;
memcpy(fhp, bp->b_data, sizeof(*fhp));
- brelse(bp);
+ put_bh(bp);
return (fhp);
}
-
+out:
+ brelse(bp);
return NULL;
}