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| author | David S. Miller <davem@davemloft.net> | 2013-08-16 15:37:26 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-08-16 15:37:26 -0700 |
| commit | 2ff1cf12c9fe70e75e600404e6a4274b19d293ed (patch) | |
| tree | beafddac0a8098e3f07d2ec60e44a2a7d006e605 /arch/arm/kernel/perf_event.c | |
| parent | 16b304f3404f8e0243d5ee2b70b68767b7b59b2b (diff) | |
| parent | 0f7dd1aa8f959216f1faa71513b9d3c1a9065e5a (diff) | |
| download | talos-obmc-linux-2ff1cf12c9fe70e75e600404e6a4274b19d293ed.tar.gz talos-obmc-linux-2ff1cf12c9fe70e75e600404e6a4274b19d293ed.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/arm/kernel/perf_event.c')
| -rw-r--r-- | arch/arm/kernel/perf_event.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index d9f5cd4e533f..21f77906602c 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -53,7 +53,12 @@ armpmu_map_cache_event(const unsigned (*cache_map) static int armpmu_map_hw_event(const unsigned (*event_map)[PERF_COUNT_HW_MAX], u64 config) { - int mapping = (*event_map)[config]; + int mapping; + + if (config >= PERF_COUNT_HW_MAX) + return -ENOENT; + + mapping = (*event_map)[config]; return mapping == HW_OP_UNSUPPORTED ? -ENOENT : mapping; } |
