diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.3/148-MIPS-avoid-possible-resource-conflict-in-register_pc.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.3/148-MIPS-avoid-possible-resource-conflict-in-register_pc.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.3/148-MIPS-avoid-possible-resource-conflict-in-register_pc.patch b/target/linux/ar71xx/patches-3.3/148-MIPS-avoid-possible-resource-conflict-in-register_pc.patch new file mode 100644 index 000000000..fc1385fc7 --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/148-MIPS-avoid-possible-resource-conflict-in-register_pc.patch @@ -0,0 +1,35 @@ +From a018b28d3953a32008de839d997a992a724ae314 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Sun, 24 Jun 2012 17:40:45 +0200 +Subject: [PATCH 09/34] MIPS: avoid possible resource conflict in register_pci_controller + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/pci/pci.c | 15 +++++++++++++-- + 1 files changed, 13 insertions(+), 2 deletions(-) + +--- a/arch/mips/pci/pci.c ++++ b/arch/mips/pci/pci.c +@@ -127,9 +127,20 @@ static DEFINE_MUTEX(pci_scan_mutex); + + void __devinit register_pci_controller(struct pci_controller *hose) + { +- if (request_resource(&iomem_resource, hose->mem_resource) < 0) ++ struct resource *parent; ++ ++ parent = hose->mem_resource->parent; ++ if (!parent) ++ parent = &iomem_resource; ++ ++ if (request_resource(parent, hose->mem_resource) < 0) + goto out; +- if (request_resource(&ioport_resource, hose->io_resource) < 0) { ++ ++ parent = hose->io_resource->parent; ++ if (!parent) ++ parent = &ioport_resource; ++ ++ if (request_resource(parent, hose->io_resource) < 0) { + release_resource(hose->mem_resource); + goto out; + } |