mirror of
https://git.openwrt.org/openwrt/openwrt.git
synced 2024-06-17 12:43:56 +02:00
8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
29 lines
747 B
Diff
29 lines
747 B
Diff
From f146f2bb597fe00b6c2e5da169a766dc8ab2a4fa Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
|
Date: Fri, 13 Mar 2015 12:43:36 +0000
|
|
Subject: [PATCH] Protect __release_resource against resources without
|
|
parents
|
|
|
|
Without this patch, removing a device tree overlay can crash here.
|
|
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
|
|
---
|
|
kernel/resource.c | 6 ++++++
|
|
1 file changed, 6 insertions(+)
|
|
|
|
--- a/kernel/resource.c
|
|
+++ b/kernel/resource.c
|
|
@@ -214,6 +214,12 @@ static int __release_resource(struct res
|
|
{
|
|
struct resource *tmp, **p, *chd;
|
|
|
|
+ if (!old->parent) {
|
|
+ WARN(old->sibling, "sibling but no parent");
|
|
+ if (old->sibling)
|
|
+ return -EINVAL;
|
|
+ return 0;
|
|
+ }
|
|
p = &old->parent->child;
|
|
for (;;) {
|
|
tmp = *p;
|