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| author | Ingo Molnar <mingo@elte.hu> | 2010-03-04 11:51:29 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-03-04 11:51:29 +0100 |
| commit | e02c4fd3142dfb9412531bbfabd510a2a7c6ea46 (patch) | |
| tree | 61b64506b2c016e050f940a89d1ffd36b7c00fdf /drivers/pci/hotplug/ibmphp_ebda.c | |
| parent | ae1f30384baef4056438d81b305a6a5199b0d16c (diff) | |
| parent | ac91d85456372a90af5b85eb6620fd2efb1e431b (diff) | |
| download | linux-next-e02c4fd3142dfb9412531bbfabd510a2a7c6ea46.tar.gz linux-next-e02c4fd3142dfb9412531bbfabd510a2a7c6ea46.zip | |
Merge branch 'tip/tracing/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/urgent
Diffstat (limited to 'drivers/pci/hotplug/ibmphp_ebda.c')
| -rw-r--r-- | drivers/pci/hotplug/ibmphp_ebda.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c index c1abac8ab5c3..5becbdee4027 100644 --- a/drivers/pci/hotplug/ibmphp_ebda.c +++ b/drivers/pci/hotplug/ibmphp_ebda.c @@ -245,7 +245,7 @@ static void __init print_ebda_hpc (void) int __init ibmphp_access_ebda (void) { - u8 format, num_ctlrs, rio_complete, hs_complete; + u8 format, num_ctlrs, rio_complete, hs_complete, ebda_sz; u16 ebda_seg, num_entries, next_offset, offset, blk_id, sub_addr, re, rc_id, re_id, base; int rc = 0; @@ -260,7 +260,16 @@ int __init ibmphp_access_ebda (void) iounmap (io_mem); debug ("returned ebda segment: %x\n", ebda_seg); - io_mem = ioremap(ebda_seg<<4, 1024); + 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); + if (ebda_sz == 0) + return -ENOMEM; + + io_mem = ioremap(ebda_seg<<4, (ebda_sz * 1024)); if (!io_mem ) return -ENOMEM; next_offset = 0x180; |