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[PATCH] freevxfs: fix buffer_head leak

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- 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>
This commit is contained in:
Pekka Enberg 2005-06-30 02:59:04 -07:00 committed by Linus Torvalds
parent f220ab2a51
commit ba03bda81e
1 changed files with 6 additions and 5 deletions
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11
fs/freevxfs/vxfs_fshead.c
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@ -78,17 +78,18 @@ vxfs_getfsh(struct inode *ip, int which)
struct buffer_head *bp; struct buffer_head *bp;
bp = vxfs_bread(ip, which); bp = vxfs_bread(ip, which);
if (buffer_mapped(bp)) { if (bp) {
struct vxfs_fsh *fhp; struct vxfs_fsh *fhp;
if (!(fhp = kmalloc(sizeof(*fhp), SLAB_KERNEL))) if (!(fhp = kmalloc(sizeof(*fhp), GFP_KERNEL)))
return NULL; goto out;
memcpy(fhp, bp->b_data, sizeof(*fhp)); memcpy(fhp, bp->b_data, sizeof(*fhp));
brelse(bp); put_bh(bp);
return (fhp); return (fhp);
} }
out:
brelse(bp);
return NULL; return NULL;
} }