fs/ntfs3: fix $LXDEV xattr lookup

Use correct xattr name ("$LXDEV") and buffer size when calling
ntfs_get_ea(), otherwise the attribute may not be read.

Signed-off-by: Zhan Xusheng <zhanxusheng@xiaomi.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>

diff --git a/fs/ntfs3/xattr.c b/fs/ntfs3/xattr.c
index 3fffda7848922334277d536f542a32af5fc4084f..9eeac0ab2b7147c840a23334d1210cd32bf29e0b 100644 (file)
--- a/fs/ntfs3/xattr.c
+++ b/fs/ntfs3/xattr.c
@@ -1031,7 +1031,7 @@ void ntfs_get_wsl_perm(struct inode *inode)
                i_gid_write(inode, (gid_t)le32_to_cpu(value[1]));
                inode->i_mode = le32_to_cpu(value[2]);
 
-               if (ntfs_get_ea(inode, "$LXDEV", sizeof("$$LXDEV") - 1,
+               if (ntfs_get_ea(inode, "$LXDEV", sizeof("$LXDEV") - 1,
                                &value[0], sizeof(value),
                                &sz) == sizeof(value[0])) {
                        inode->i_rdev = le32_to_cpu(value[0]);