ocfs2: fix improper handling of return errno

Previously, if a bad inode was found in ocfs2_iget(), -ESTALE was
returned back to the caller anyway.  Since commit d2b9d71a2da7 ("ocfs2:
check/fix inode block for online file check") can handle with return
value from ocfs2_read_locked_inode() now, we know the exact errno
returned for us.

Link: http://lkml.kernel.org/r/1463970656-18413-1-git-send-email-zren@suse.com
Signed-off-by: Eric Ren <zren@suse.com>
Reviewed-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/ocfs2/inode.c

@@ -176,12 +176,7 @@ struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 blkno, unsigned flags,
 	}
 	if (is_bad_inode(inode)) {
 		iput(inode);
-		if ((flags & OCFS2_FI_FLAG_FILECHECK_CHK) ||
-		    (flags & OCFS2_FI_FLAG_FILECHECK_FIX))
-			/* Return OCFS2_FILECHECK_ERR_XXX related errno */
-			inode = ERR_PTR(rc);
-		else
-			inode = ERR_PTR(-ESTALE);
+		inode = ERR_PTR(rc);
 		goto bail;
 	}