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| author | Takashi Iwai <tiwai@suse.de> | 2010-11-29 07:44:01 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-11-29 07:44:01 +0100 |
| commit | ca19e77e44985b5500f5461f7d2f4ce799cb60ce (patch) | |
| tree | 3ba3635ac2f212b332198b14cc3239195c153e67 /drivers/pci/hotplug/ibmphp_ebda.c | |
| parent | 9d57883f08d3c0c111b50bf185dfee9731a12c76 (diff) | |
| parent | ac70eb1305d5a81efd1e32327d7e79be15a63a5a (diff) | |
Merge branch 'fix/hda' into topic/hda
Diffstat (limited to 'drivers/pci/hotplug/ibmphp_ebda.c')
| -rw-r--r-- | drivers/pci/hotplug/ibmphp_ebda.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c index 5becbdee4027..2850e64dedae 100644 --- a/drivers/pci/hotplug/ibmphp_ebda.c +++ b/drivers/pci/hotplug/ibmphp_ebda.c @@ -276,6 +276,12 @@ int __init ibmphp_access_ebda (void) for (;;) { offset = next_offset; + + /* Make sure what we read is still in the mapped section */ + if (WARN(offset > (ebda_sz * 1024 - 4), + "ibmphp_ebda: next read is beyond ebda_sz\n")) + break; + next_offset = readw (io_mem + offset); /* offset of next blk */ offset += 2; |