From b9251b823b5e921c894eb135cb6c64abf483f50e Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Sat, 22 Apr 2006 02:36:24 -0700 Subject: [PATCH] [PATCH] Fix reiserfs deadlock reiserfs_cache_default_acl() should return whether we successfully found the acl or not. We have to return correct value even if reiserfs_get_acl() returns error code and not just 0. Otherwise callers such as reiserfs_mkdir() can unnecessarily lock the xattrs and later functions such as reiserfs_new_inode() fail to notice that we have already taken the lock and try to take it again with obvious consequences. Signed-off-by: Jan Kara Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/reiserfs/xattr_acl.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c index 58c418fbca2c..97ae1b92bc47 100644 --- a/fs/reiserfs/xattr_acl.c +++ b/fs/reiserfs/xattr_acl.c @@ -408,8 +408,9 @@ int reiserfs_cache_default_acl(struct inode *inode) acl = reiserfs_get_acl(inode, ACL_TYPE_DEFAULT); reiserfs_read_unlock_xattrs(inode->i_sb); reiserfs_read_unlock_xattr_i(inode); - ret = acl ? 1 : 0; - posix_acl_release(acl); + ret = (acl && !IS_ERR(acl)); + if (ret) + posix_acl_release(acl); } return ret;