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| author | Cyrill Gorcunov <gorcunov@gmail.com> | 2009-03-04 11:55:29 -0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-03-16 00:35:30 -0400 |
| commit | 27ce34198345886854643b9572f9a06d2e7500d2 (patch) | |
| tree | bebe7fab5eb94e8a819ac8f0d7dff08c7644b355 /drivers/acpi/numa.c | |
| parent | 176f9c1804df09f3e9b998c0642e212592ac6283 (diff) | |
| download | linux-3.10-27ce34198345886854643b9572f9a06d2e7500d2.tar.gz linux-3.10-27ce34198345886854643b9572f9a06d2e7500d2.tar.bz2 linux-3.10-27ce34198345886854643b9572f9a06d2e7500d2.zip | |
acpi: check for pxm_to_node_map overflow
It is hardly (if ever) possible but in case of broken _PXM entry we could
reach out of pxm_to_node_map array bounds in acpi_map_pxm_to_node() call.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/numa.c')
| -rw-r--r-- | drivers/acpi/numa.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index c5e292aab0e..3a0d8ef25c7 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -277,7 +277,7 @@ int acpi_get_node(acpi_handle *handle) int pxm, node = -1; pxm = acpi_get_pxm(handle); - if (pxm >= 0) + if (pxm >= 0 && pxm < MAX_PXM_DOMAINS) node = acpi_map_pxm_to_node(pxm); return node; |