From: Fengguang Wu <fengguang.wu@intel.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
"devel@driverdev.osuosl.org" <devel@driverdev.osuosl.org>,
Karsten Keil <isdn@linux-pingi.de>, Joe Perches <joe@perches.com>,
"open list:ISDN SUBSYSTEM" <netdev@vger.kernel.org>
Subject: Re: [PATCH] isdnloop: fix and simplify isdnloop_init()
Date: Thu, 2 Aug 2012 18:44:56 +0800 [thread overview]
Message-ID: <20120802104456.GA21537@localhost> (raw)
In-Reply-To: <20120802040158.GA11860@localhost>
[Add more CC]
On Thu, Aug 02, 2012 at 12:01:58PM +0800, Fengguang Wu wrote:
> Remove the non-sense isdnloop revision transform code, so as to fix:
>
> [ 22.016214] isdnloop-ISDN-driver Rev 1.11.6.7
> [ 22.097508] isdnloop: (loop0) virtual card added
> [ 22.174400] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ffffffff83244972
> [ 22.174400]
> [ 22.436157] Pid: 1, comm: swapper Not tainted 3.5.0-bisect-00018-gfa8bbb1-dirty #129
> [ 22.624071] Call Trace:
> [ 22.720558] [<ffffffff832448c3>] ? CallcNew+0x56/0x56
> [ 22.815248] [<ffffffff8222b623>] panic+0x110/0x329
> [ 22.914330] [<ffffffff83244972>] ? isdnloop_init+0xaf/0xb1
> [ 23.014800] [<ffffffff832448c3>] ? CallcNew+0x56/0x56
> [ 23.090763] [<ffffffff8108e24b>] __stack_chk_fail+0x2b/0x30
> [ 23.185748] [<ffffffff83244972>] isdnloop_init+0xaf/0xb1
>
> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
> ---
> drivers/isdn/isdnloop/isdnloop.c | 13 ++-----------
> 1 file changed, 2 insertions(+), 11 deletions(-)
>
> --- linux.orig/drivers/isdn/isdnloop/isdnloop.c 2012-05-24 19:03:06.748430938 +0800
> +++ linux/drivers/isdn/isdnloop/isdnloop.c 2012-08-02 11:57:16.806437909 +0800
> @@ -16,7 +16,7 @@
> #include <linux/sched.h>
> #include "isdnloop.h"
>
> -static char *revision = "$Revision: 1.11.6.7 $";
> +static char *revision = "1.11.6.7";
> static char *isdnloop_id = "loop0";
>
> MODULE_DESCRIPTION("ISDN4Linux: Pseudo Driver that simulates an ISDN card");
> @@ -1494,16 +1494,7 @@ isdnloop_addcard(char *id1)
> static int __init
> isdnloop_init(void)
> {
> - char *p;
> - char rev[10];
> -
> - if ((p = strchr(revision, ':'))) {
> - strcpy(rev, p + 1);
> - p = strchr(rev, '$');
> - *p = 0;
> - } else
> - strcpy(rev, " ??? ");
> - printk(KERN_NOTICE "isdnloop-ISDN-driver Rev%s\n", rev);
> + printk(KERN_NOTICE "isdnloop-ISDN-driver Rev %s\n", revision);
>
> if (isdnloop_id)
> return (isdnloop_addcard(isdnloop_id));
next parent reply other threads:[~2012-08-02 10:44 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20120802040158.GA11860@localhost>
2012-08-02 10:44 ` Fengguang Wu [this message]
2012-08-02 10:56 ` [PATCH] isdnloop: fix and simplify isdnloop_init() Greg KH
2012-08-02 10:57 ` Dan Carpenter
2012-08-02 11:01 ` Fengguang Wu
2012-08-02 11:05 Fengguang Wu
2012-08-02 23:21 ` David Miller
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