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Commit ba02b242 authored by Andrew Morton's avatar Andrew Morton Committed by Jesse Barnes
Browse files

PCI hotplug: check ioremap() return value in ibmphp_ebda.c 



check ioremap() return value.

Cc: <stable@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
parent 939fdc67

drivers/pci/hotplug/ibmphp_ebda.c

+2 −0
Original line number Diff line number Diff line
@@ -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);