gfs2: Minor gfs2_lookup_by_inum cleanup

[linux-2.6-block.git] / fs / gfs2 / export.c

diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c
index 3f717285ee4837b8728217daa35ba24be6f8eae3..756d05779200dcdac43f67daa0fea9e9ccd3ff6d 100644 (file)
--- a/fs/gfs2/export.c
+++ b/fs/gfs2/export.c
@@ -134,7 +134,9 @@ static struct dentry *gfs2_get_dentry(struct super_block *sb,
        struct gfs2_sbd *sdp = sb->s_fs_info;
        struct inode *inode;
 
-       inode = gfs2_lookup_by_inum(sdp, inum->no_addr, &inum->no_formal_ino,
+       if (!inum->no_formal_ino)
+               return ERR_PTR(-ESTALE);
+       inode = gfs2_lookup_by_inum(sdp, inum->no_addr, inum->no_formal_ino,
                                    GFS2_BLKST_DINODE);
        if (IS_ERR(inode))
                return ERR_CAST(inode);