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fce21ae4cc
Right now all brcm2708 patches are extracted from the non-mainline raspberrypi/linux git tree. Many of them are hacks and/or are unneeded in LEDE. Raspberry Pi is getting better and better mainline support so it would be nice to finally start maintaining patches in a cleaner way: 1) Backport patches accepted in upstream tree 2) Start using upstream drivers 3) Pick only these patches that are needed for more complete support Handling above tasks requires grouping patches - ideally using the same prefixes as generic ones. It means we should rename existing patches to use some high prefix. This will allow e.g. use 0xx for backported code. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Stijn Tintel <stijn@linux-ipv6.be>
28 lines
746 B
Diff
28 lines
746 B
Diff
From 3115fe312a2c751954f1ab0f0ba07aea1c1c7d1b Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Fri, 13 Mar 2015 12:43:36 +0000
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Subject: [PATCH] Protect __release_resource against resources without parents
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Without this patch, removing a device tree overlay can crash here.
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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kernel/resource.c | 6 ++++++
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1 file changed, 6 insertions(+)
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--- a/kernel/resource.c
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+++ b/kernel/resource.c
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@@ -246,6 +246,12 @@ static int __release_resource(struct res
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{
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struct resource *tmp, **p, *chd;
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+ if (!old->parent) {
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+ WARN(old->sibling, "sibling but no parent");
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+ if (old->sibling)
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+ return -EINVAL;
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+ return 0;
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+ }
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p = &old->parent->child;
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for (;;) {
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tmp = *p;
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