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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-09 20:32:28 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-14 12:44:14 +0200 |
commit | 42954857190b9df16d9d873ecc7f6cc38e013e44 (patch) | |
tree | 98c588f629ff534d458eb0884782ea99672d7634 /target/linux/brcm2708/patches-4.19/950-0005-Protect-__release_resource-against-resources-without.patch | |
parent | f1875e902d0afb7d9b9e5285b4fd8da7f6c5e30a (diff) | |
download | upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.gz upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.bz2 upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.zip |
brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0005-Protect-__release_resource-against-resources-without.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0005-Protect-__release_resource-against-resources-without.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0005-Protect-__release_resource-against-resources-without.patch b/target/linux/brcm2708/patches-4.19/950-0005-Protect-__release_resource-against-resources-without.patch new file mode 100644 index 0000000000..bf30cd913b --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0005-Protect-__release_resource-against-resources-without.patch @@ -0,0 +1,28 @@ +From b5e65f6a5a75c72d56d98c9543ff549710aa2d72 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Fri, 13 Mar 2015 12:43:36 +0000 +Subject: [PATCH 005/703] 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 +@@ -213,6 +213,12 @@ 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; |