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| author | Phillip Lougher <phillip@lougher.demon.co.uk> | 2010-05-23 08:27:42 +0100 |
|---|---|---|
| committer | Phillip Lougher <phillip@lougher.demon.co.uk> | 2010-05-23 08:27:42 +0100 |
| commit | 5c80f5aa409b211ab193c56fb6b77d73b61966e5 (patch) | |
| tree | 8559d669666b1174067f29294015164251d2088b /fs/squashfs | |
| parent | f6db25a87643fa6108e211da0397423593ca36fe (diff) | |
| download | lwn-5c80f5aa409b211ab193c56fb6b77d73b61966e5.tar.gz lwn-5c80f5aa409b211ab193c56fb6b77d73b61966e5.zip | |
squashfs: fix name reading in squashfs_xattr_get
Only read potentially matching names into the target buffer, all
obviously non matching names don't need to be read into the
target buffer.
Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
Diffstat (limited to 'fs/squashfs')
| -rw-r--r-- | fs/squashfs/xattr.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/squashfs/xattr.c b/fs/squashfs/xattr.c index 14a2feef09b9..c7655e8b31cd 100644 --- a/fs/squashfs/xattr.c +++ b/fs/squashfs/xattr.c @@ -145,8 +145,12 @@ static int squashfs_xattr_get(struct inode *inode, int name_index, type = le16_to_cpu(entry.type); prefix = type & SQUASHFS_XATTR_PREFIX_MASK; - err = squashfs_read_metadata(sb, target, &start, &offset, - name_size); + if (prefix == name_index && name_size == name_len) + err = squashfs_read_metadata(sb, target, &start, + &offset, name_size); + else + err = squashfs_read_metadata(sb, NULL, &start, + &offset, name_size); if (err < 0) goto failed; |