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| author | Andrew Morton <akpm@linux-foundation.org> | 2010-02-03 01:45:54 +0300 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2010-02-23 03:17:19 +0300 |
| commit | ba02b242bbf8e4e1bc63d62e8ccec33b4e5ea132 (patch) | |
| tree | d81b48ebf427e0ee346582b8f92ced6017ce9015 /drivers/pci/hotplug/ibmphp_ebda.c | |
| parent | 939fdc67350e15aeeea70457d5b4bc1116bb4fd5 (diff) | |
| download | linux-ba02b242bbf8e4e1bc63d62e8ccec33b4e5ea132.tar.xz | |
PCI hotplug: check ioremap() return value in ibmphp_ebda.c
check ioremap() return value.
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/hotplug/ibmphp_ebda.c')
| -rw-r--r-- | drivers/pci/hotplug/ibmphp_ebda.c | 2 |
1 files changed, 2 insertions, 0 deletions
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); |