diff options
| author | Andrew Morton <akpm@linux-foundation.org> | 2010-02-02 14:45:54 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-15 09:05:49 -0700 |
| commit | 9bd97ecab811f5bce4a0e9d7e316d2559fa4be65 (patch) | |
| tree | 6f92d6f5cdf3f1c2a9c23650cbe53e9e2e0033f1 /drivers/pci | |
| parent | f479dae12ac8c0bea06f4c0cacb846aae66756fd (diff) | |
PCI hotplug: check ioremap() return value in ibmphp_ebda.c
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>
Diffstat (limited to 'drivers/pci')
| -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 7d3bf31d224..5becbdee402 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); |