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| author | Milton Miller <miltonm@bga.com> | 2009-01-08 03:19:43 +0100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-02-11 03:37:58 +0100 |
| commit | 20fcefe5a0a354b0cc78ec4634d9f72dab5f1ee9 (patch) | |
| tree | 4ee7d4097a4e88f885cdae12748bb31779e25e5b | |
| parent | Merge commit 'gcl/next' into next (diff) | |
| download | linux-20fcefe5a0a354b0cc78ec4634d9f72dab5f1ee9.tar.xz linux-20fcefe5a0a354b0cc78ec4634d9f72dab5f1ee9.zip | |
powerpc/numa: Avoid possible reference beyond prop. length in find_min_common_depth()
find_min_common_depth() was checking the property length incorrectly.
The value is in bytes not cells, and it is using the second entry.
Signed-off-By: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/mm/numa.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 7393bd76d698..e26d5e5c22be 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -289,7 +289,7 @@ static int __init find_min_common_depth(void) ref_points = of_get_property(rtas_root, "ibm,associativity-reference-points", &len); - if ((len >= 1) && ref_points) { + if ((len >= 2 * sizeof(unsigned int)) && ref_points) { depth = ref_points[1]; } else { dbg("NUMA: ibm,associativity-reference-points not found.\n"); |