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author | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2009-05-30 21:50:58 +0900 |
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committer | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2009-05-30 22:07:50 +0900 |
commit | 62013ab5d5df297a01ae5863b5c26d758ec0af7f (patch) | |
tree | 61b8e9b9b0d8e57c0de0f4c87f23a671282bc862 /fs/nilfs2 | |
parent | 59a3759d0fe8d969888c741bb33f4946e4d3750d (diff) | |
download | linux-62013ab5d5df297a01ae5863b5c26d758ec0af7f.tar.gz linux-62013ab5d5df297a01ae5863b5c26d758ec0af7f.tar.bz2 linux-62013ab5d5df297a01ae5863b5c26d758ec0af7f.zip |
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>
Diffstat (limited to 'fs/nilfs2')
-rw-r--r-- | fs/nilfs2/cpfile.c | 6 |
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: |