From: Eugene Shatokhin Date: Thu, 8 Nov 2012 20:11:11 +0000 (-0500) Subject: ext4: fix memory leak in ext4_xattr_set_acl()'s error path X-Git-Tag: v3.8-rc2~9^2~60 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=24ec19b0ae83a385ad9c55520716da671274b96c;p=profile%2Fcommon%2Fkernel-common.git ext4: fix memory leak in ext4_xattr_set_acl()'s error path 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 Signed-off-by: Eugene Shatokhin Signed-off-by: "Theodore Ts'o" Cc: stable@vger.kernel.org --- diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c index d3c5b88..e6e0d98 100644 --- a/fs/ext4/acl.c +++ b/fs/ext4/acl.c @@ -423,8 +423,10 @@ 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))