From ba02b242bbf8e4e1bc63d62e8ccec33b4e5ea132 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Tue, 2 Feb 2010 14:45:54 -0800 Subject: PCI hotplug: check ioremap() return value in ibmphp_ebda.c check ioremap() return value. Cc: Signed-off-by: Andrew Morton Signed-off-by: Jesse Barnes --- drivers/pci/hotplug/ibmphp_ebda.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/pci/hotplug') diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c index 7d3bf31d224d..5becbdee4027 100644 --- a/drivers/pci/hotplug/ibmphp_ebda.c +++ b/drivers/pci/hotplug/ibmphp_ebda.c @@ -261,6 +261,8 @@ int __init ibmphp_access_ebda (void) debug ("returned ebda segment: %x\n", ebda_seg); io_mem = ioremap(ebda_seg<<4, 1); + if (!io_mem) + return -ENOMEM; ebda_sz = readb(io_mem); iounmap(io_mem); debug("ebda size: %d(KiB)\n", ebda_sz); -- cgit v1.2.2