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authorIngo Molnar <mingo@elte.hu>2008-12-25 13:51:46 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-25 13:51:46 +0100
commit0b271ef4521756010675b1611bef20fd3096790d (patch)
tree2c9d22a2c74122a9904e533df27f41d63ffef394 /arch/x86/oprofile/op_model_ppro.c
parentb19b3c74c7bbec45a848631b8f970ac110665a01 (diff)
parent4a6908a3a050aacc9c3a2f36b276b46c0629ad91 (diff)
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Merge commit 'v2.6.28' into core/core
Diffstat (limited to 'arch/x86/oprofile/op_model_ppro.c')
-rw-r--r--arch/x86/oprofile/op_model_ppro.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
index 3f1b81a83e2e..e9f80c744cf3 100644
--- a/arch/x86/oprofile/op_model_ppro.c
+++ b/arch/x86/oprofile/op_model_ppro.c
@@ -69,7 +69,7 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs)
int i;
if (!reset_value) {
- reset_value = kmalloc(sizeof(unsigned) * num_counters,
+ reset_value = kmalloc(sizeof(reset_value[0]) * num_counters,
GFP_ATOMIC);
if (!reset_value)
return;
@@ -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;