From: Chuck Ebbert <76306.1226@compuserve.com>
To: linux-kernel <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@osdl.org>, Linus Torvalds <torvalds@osdl.org>
Subject: [patch] pipe: Don't oops when pipe filesystem isn't mounted
Date: Mon, 11 Dec 2006 03:27:37 -0500 [thread overview]
Message-ID: <200612110330_MC3-1-D49B-BC0F@compuserve.com> (raw)
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
next reply other threads:[~2006-12-11 8:33 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-11 8:27 Chuck Ebbert [this message]
2006-12-11 8:55 ` Andrew Morton
2006-12-11 9:13 ` Andrew Morton
2006-12-11 9:21 ` Al Viro
2006-12-11 9:25 ` Andrew Morton
2006-12-11 9:33 ` Al Viro
2006-12-11 9:47 ` Andrew Morton
2006-12-11 10:03 ` Al Viro
2006-12-11 10:17 ` Andrew Morton
2006-12-11 10:22 ` Al Viro
2006-12-11 10:34 ` Andrew Morton
2006-12-11 10:47 ` Al Viro
2006-12-11 10:57 ` Jeff Garzik
2006-12-11 10:27 ` Andrew Morton
2006-12-11 10:45 ` Al Viro
2006-12-11 16:01 ` Linus Torvalds
2006-12-11 16:12 ` Al Viro
2006-12-11 16:40 ` Linus Torvalds
2006-12-12 0:33 ` Benjamin Herrenschmidt
2006-12-12 2:08 ` Andrew Morton
2006-12-12 2:17 ` Dominik Brodowski
2006-12-12 2:23 ` Linus Torvalds
2006-12-11 10:52 ` [PATCH] get rid of ARCH_HAVE_XTIME_LOCK Eric Dumazet
2006-12-11 13:50 ` [PATCH] Optimize calc_load() Eric Dumazet
2006-12-11 19:04 ` [PATCH] constify pipe_buf_operations Eric Dumazet
2006-12-11 9:13 ` [patch] pipe: Don't oops when pipe filesystem isn't mounted Al Viro
2006-12-11 9:40 ` Michael Tokarev
2006-12-11 15:44 ` Linus Torvalds
2006-12-12 12:20 ` Michael Tokarev
2006-12-11 9:33 Chuck Ebbert
2006-12-11 10:48 ` Olaf Hering
2006-12-11 10:52 ` Al Viro
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