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Message-ID: <200612110330_MC3-1-D49B-BC0F@compuserve.com>
Date: Mon, 11 Dec 2006 03:27:37 -0500
From: Chuck Ebbert <76306.1226@...puserve.com>
To: linux-kernel <linux-kernel@...r.kernel.org>
Cc: Andrew Morton <akpm@...l.org>, Linus Torvalds <torvalds@...l.org>
Subject: [patch] pipe: Don't oops when pipe filesystem isn't mounted
Prevent oops when an app tries to create a pipe while pipefs
is not mounted.
Signed-off-by: Chuck Ebbert <76306.1226@...puserve.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
-
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