diff options
| author | Alvaro Fernández Rojas <noltari@gmail.com> | 2016-06-20 23:24:50 +0200 |
|---|---|---|
| committer | Zoltan HERPAI <wigyori@uid0.hu> | 2016-06-20 23:24:50 +0200 |
| commit | 2dc1e11c688a439084692e0b86d20adc0310d42c (patch) | |
| tree | 75d7685ac955c38262433c6b8757cd1169b63e35 /target/linux/brcm2708/patches-4.4/0179-Protect-__release_resource-against-resources-without.patch | |
| parent | 14cd93c1ec0fecdd49d5bbf9ebec1a9bf02d6803 (diff) | |
| download | master-187ad058-2dc1e11c688a439084692e0b86d20adc0310d42c.tar.gz master-187ad058-2dc1e11c688a439084692e0b86d20adc0310d42c.tar.bz2 master-187ad058-2dc1e11c688a439084692e0b86d20adc0310d42c.zip | |
As usual these patches were extracted from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0179-Protect-__release_resource-against-resources-without.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0179-Protect-__release_resource-against-resources-without.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0179-Protect-__release_resource-against-resources-without.patch b/target/linux/brcm2708/patches-4.4/0179-Protect-__release_resource-against-resources-without.patch new file mode 100644 index 0000000000..75e4cc03cc --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0179-Protect-__release_resource-against-resources-without.patch @@ -0,0 +1,28 @@ +From 3006a98a1fe05d8a9ed22c5ffa3387bcffd3e6e7 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Fri, 13 Mar 2015 12:43:36 +0000 +Subject: [PATCH 179/304] 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 +@@ -237,6 +237,12 @@ static int __release_resource(struct res + { + struct resource *tmp, **p; + ++ if (!old->parent) { ++ WARN(old->sibling, "sibling but no parent"); ++ if (old->sibling) ++ return -EINVAL; ++ return 0; ++ } + p = &old->parent->child; + for (;;) { + tmp = *p; |