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| author | Eugene Shatokhin <eugene.shatokhin@rosalab.ru> | 2012-11-08 15:11:11 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-17 08:43:55 -0800 |
| commit | 9d4cbf806eaefbf4a8a63de492a060e06b07f5a6 (patch) | |
| tree | e3028a6dc77440ac2dd7cfd96795557f17acd6f7 | |
| parent | 2c4427689134e7bce111584eef33122a14f77e9f (diff) | |
| download | kernel_samsung_tuna-9d4cbf806eaefbf4a8a63de492a060e06b07f5a6.zip kernel_samsung_tuna-9d4cbf806eaefbf4a8a63de492a060e06b07f5a6.tar.gz kernel_samsung_tuna-9d4cbf806eaefbf4a8a63de492a060e06b07f5a6.tar.bz2 | |
ext4: fix memory leak in ext4_xattr_set_acl()'s error path
commit 24ec19b0ae83a385ad9c55520716da671274b96c upstream.
In ext4_xattr_set_acl(), if ext4_journal_start() returns an error,
posix_acl_release() will not be called for 'acl' which may result in a
memory leak.
This patch fixes that.
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Eugene Shatokhin <eugene.shatokhin@rosalab.ru>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/ext4/acl.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c index 21eacd7..4922087 100644 --- a/fs/ext4/acl.c +++ b/fs/ext4/acl.c @@ -450,8 +450,10 @@ ext4_xattr_set_acl(struct dentry *dentry, const char *name, const void *value, retry: handle = ext4_journal_start(inode, EXT4_DATA_TRANS_BLOCKS(inode->i_sb)); - if (IS_ERR(handle)) - return PTR_ERR(handle); + if (IS_ERR(handle)) { + error = PTR_ERR(handle); + goto release_and_out; + } error = ext4_set_acl(handle, inode, type, acl); ext4_journal_stop(handle); if (error == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) |