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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-12 10:29:35 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-12 10:29:35 +0100 |
| commit | c1dfdc7597d051b09555d4ae2acb90403e238746 (patch) | |
| tree | 86aa49f5a2ab25459f9196dd6724bbe6645b1375 /arch/x86/oprofile/op_model_ppro.c | |
| parent | efbe027e95dc13ac343b6130948418d7ead7ddf1 (diff) | |
| parent | 8b1fae4e4200388b64dd88065639413cb3f1051c (diff) | |
Merge commit 'v2.6.28-rc8' into sched/core
Diffstat (limited to 'arch/x86/oprofile/op_model_ppro.c')
| -rw-r--r-- | arch/x86/oprofile/op_model_ppro.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c index 716d26f0e5d4..e9f80c744cf3 100644 --- a/arch/x86/oprofile/op_model_ppro.c +++ b/arch/x86/oprofile/op_model_ppro.c @@ -156,6 +156,8 @@ static void ppro_start(struct op_msrs const * const msrs) unsigned int low, high; int i; + if (!reset_value) + return; for (i = 0; i < num_counters; ++i) { if (reset_value[i]) { CTRL_READ(low, high, msrs, i); @@ -171,6 +173,8 @@ static void ppro_stop(struct op_msrs const * const msrs) unsigned int low, high; int i; + if (!reset_value) + return; for (i = 0; i < num_counters; ++i) { if (!reset_value[i]) continue; |