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From: Ben Dooks <ben-linux@fluff.org>
To: linux-kernel@vger.kernel.org
Subject: [PATCH] release_resource() check for NULL resource
Date: Sun, 2 Oct 2005 18:03:18 +0100	[thread overview]
Message-ID: <20051002170318.GA22074@home.fluff.org> (raw)

[-- Attachment #1: Type: text/plain, Size: 508 bytes --]

If release_resource() is passed a NULL resource
the kernel will OOPS.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

diff -urN -X ../dontdiff linux-2.6.14-rc3/kernel/resource.c linux-2.6.14-rc3-bjd1/kernel/resource.c
--- linux-2.6.14-rc3/kernel/resource.c	2005-10-02 12:58:03.000000000 +0100
+++ linux-2.6.14-rc3-bjd1/kernel/resource.c	2005-10-02 17:58:09.000000000 +0100
@@ -181,6 +181,9 @@
 {
 	struct resource *tmp, **p;
 
+	if (!old)
+		return 0;
+
 	p = &old->parent->child;
 	for (;;) {
 		tmp = *p;

[-- Attachment #2: resource-release-null.patch --]
[-- Type: text/plain, Size: 389 bytes --]

diff -urN -X ../dontdiff linux-2.6.14-rc3/kernel/resource.c linux-2.6.14-rc3-bjd1/kernel/resource.c
--- linux-2.6.14-rc3/kernel/resource.c	2005-10-02 12:58:03.000000000 +0100
+++ linux-2.6.14-rc3-bjd1/kernel/resource.c	2005-10-02 17:58:09.000000000 +0100
@@ -181,6 +181,9 @@
 {
 	struct resource *tmp, **p;
 
+	if (!old)
+		return 0;
+
 	p = &old->parent->child;
 	for (;;) {
 		tmp = *p;

             reply	other threads:[~2005-10-02 17:03 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-10-02 17:03 Ben Dooks [this message]
2005-10-02 17:39 ` Randy.Dunlap
2005-10-03  9:48   ` Ben Dooks
2005-10-03  9:59     ` Jesper Juhl
2005-10-03 10:04       ` Russell King
2005-10-03 12:43         ` Pekka Enberg
2005-10-03 12:49           ` Russell King
2005-10-03 12:54             ` Pekka J Enberg
2005-10-03 13:00               ` Russell King
2005-10-03 13:12                 ` Pekka J Enberg
2005-10-03 13:42                   ` Russell King
2005-10-03 13:42           ` Al Viro
2005-10-03 14:57             ` Pekka Enberg
2005-10-04  2:15         ` Randy.Dunlap
     [not found]   ` <5dc44ec70510031959w1f4adfcbh395535ade34a357d@mail.gmail.com>
2005-10-04  3:00     ` Diego de Estrada
2005-10-04  3:28     ` Randy.Dunlap
     [not found] <4TfvY-8ix-27@gated-at.bofh.it>
     [not found] ` <4Tg8u-Bn-15@gated-at.bofh.it>
     [not found]   ` <4Tv7u-5Hd-15@gated-at.bofh.it>
     [not found]     ` <4TvB0-6wD-3@gated-at.bofh.it>
     [not found]       ` <4TvB7-6wD-5@gated-at.bofh.it>
     [not found]         ` <4TxWv-1xD-37@gated-at.bofh.it>
2005-10-04 22:31           ` Bodo Eggert
2005-10-05  9:06             ` Russell King

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