Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762650AbWLKIdP (ORCPT ); Mon, 11 Dec 2006 03:33:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762652AbWLKIdP (ORCPT ); Mon, 11 Dec 2006 03:33:15 -0500 Received: from liaag1ag.mx.compuserve.com ([149.174.40.33]:54237 "EHLO liaag1ag.mx.compuserve.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762650AbWLKIdO (ORCPT ); Mon, 11 Dec 2006 03:33:14 -0500 Date: Mon, 11 Dec 2006 03:27:37 -0500 From: Chuck Ebbert <76306.1226@compuserve.com> Subject: [patch] pipe: Don't oops when pipe filesystem isn't mounted To: linux-kernel Cc: Andrew Morton , Linus Torvalds Message-ID: <200612110330_MC3-1-D49B-BC0F@compuserve.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 776 Lines: 27 Prevent oops when an app tries to create a pipe while pipefs is not mounted. Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com> --- 2.6.19.1-pre1-32.orig/fs/pipe.c +++ 2.6.19.1-pre1-32/fs/pipe.c @@ -839,9 +839,11 @@ static struct dentry_operations pipefs_d static struct inode * get_pipe_inode(void) { - struct inode *inode = new_inode(pipe_mnt->mnt_sb); + struct inode *inode = NULL; struct pipe_inode_info *pipe; + if (pipe_mnt) + inode = new_inode(pipe_mnt->mnt_sb); if (!inode) goto fail_inode; -- Chuck - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/