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Subject[patch 004/123] PCI hotplug: check ioremap() return value in ibmphp_ebda.c
2.6.33-stable review patch.  If anyone has any objections, please let me know.

-----------------
From: Andrew Morton <akpm@linux-foundation.org>

commit ba02b242bbf8e4e1bc63d62e8ccec33b4e5ea132 upstream.

check ioremap() return value.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/pci/hotplug/ibmphp_ebda.c | 2 ++
1 file changed, 2 insertions(+)
--- 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);



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