From: Konrad Rzeszutek Date: Thu, 15 Jun 2006 16:08:30 +0000 (-0400) Subject: [PATCH] PCI: fix memory leak in MMCONFIG error path X-Git-Tag: firefly_0821_release~35458^2~228^2~3 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=acc7c2e0b73a46122ec370bf8a3aa9f19065d331;p=firefly-linux-kernel-4.4.55.git [PATCH] PCI: fix memory leak in MMCONFIG error path This a bit late (yours patch was posted about a year ago), but a co-worker of spotted part of the code that looks like a memory leak. Looking at the code it seems that pci_mmcfg_config should be free-ed if MMCONFIG is above 4GB. From: Konrad Rzeszutek Signed-off-by: Greg Kroah-Hartman --- diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index 40e5aba3ad3d..fbe93084244c 100644 --- a/arch/i386/kernel/acpi/boot.c +++ b/arch/i386/kernel/acpi/boot.c @@ -202,6 +202,8 @@ int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size) if (mcfg->config[i].base_reserved) { printk(KERN_ERR PREFIX "MMCONFIG not in low 4GB of memory\n"); + kfree(pci_mmcfg_config); + pci_mmcfg_config_num = 0; return -ENODEV; } }