projects
/
linux-2.6-block.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
| inline |
side by side
PCI hotplug: check ioremap() return value in ibmphp_ebda.c
[linux-2.6-block.git]
/
drivers
/
pci
/
hotplug
/
ibmphp_ebda.c
diff --git
a/drivers/pci/hotplug/ibmphp_ebda.c
b/drivers/pci/hotplug/ibmphp_ebda.c
index 7d3bf31d224d90956f1e3c5d908557585dffc7c9..5becbdee4027019a5c584df5ff5fb3cc99b04cc3 100644
(file)
--- 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);