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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-05-30 21:50:58 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-05-30 22:07:50 +0900
commit62013ab5d5df297a01ae5863b5c26d758ec0af7f (patch)
tree61b8e9b9b0d8e57c0de0f4c87f23a671282bc862
parent59a3759d0fe8d969888c741bb33f4946e4d3750d (diff)
downloadlinux-stericsson-62013ab5d5df297a01ae5863b5c26d758ec0af7f.tar.gz
nilfs2: fix bh leak in nilfs_cpfile_delete_checkpoints function
The nilfs_cpfile_delete_checkpoints() wrongly skips brelse() for the header block of checkpoint file in case of errors. This fixes the leak bug. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
-rw-r--r--fs/nilfs2/cpfile.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/nilfs2/cpfile.c b/fs/nilfs2/cpfile.c
index e90b60dfced9..300f1cdfa862 100644
--- a/fs/nilfs2/cpfile.c
+++ b/fs/nilfs2/cpfile.c
@@ -311,7 +311,7 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile,
ret = nilfs_cpfile_get_checkpoint_block(cpfile, cno, 0, &cp_bh);
if (ret < 0) {
if (ret != -ENOENT)
- goto out_sem;
+ goto out_header;
/* skip hole */
ret = 0;
continue;
@@ -344,7 +344,7 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile,
continue;
printk(KERN_ERR "%s: cannot delete block\n",
__func__);
- goto out_sem;
+ goto out_header;
}
}
@@ -361,6 +361,8 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile,
nilfs_mdt_mark_dirty(cpfile);
kunmap_atomic(kaddr, KM_USER0);
}
+
+ out_header:
brelse(header_bh);
out_sem: