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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-05 11:57:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-05 11:57:37 -0700
commit39c12be86aaedd2f81bfb2236aca5333a2334dea (patch)
treeba3edacaa130bc875813674ed960b100c9158e64 /arch/arm
parent231d0aefd88e94129cb8fb84794f9bb788c6366e (diff)
parent0f940cb7d970f4fd569bb5f9f49774422f2ccbee (diff)
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf trace scripting: Fix extern struct definitions perf ui hist browser: Fix segfault on 'a' for annotate perf tools: Fix build breakage perf, x86: Handle in flight NMIs on P4 platform oprofile, ARM: Release resources on failure oprofile: Add Support for Intel CPU Family 6 / Model 29
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/oprofile/common.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index 0691176899f..72e09eb642d 100644
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -102,6 +102,7 @@ static int op_create_counter(int cpu, int event)
if (IS_ERR(pevent)) {
ret = PTR_ERR(pevent);
} else if (pevent->state != PERF_EVENT_STATE_ACTIVE) {
+ perf_event_release_kernel(pevent);
pr_warning("oprofile: failed to enable event %d "
"on CPU %d\n", event, cpu);
ret = -EBUSY;
@@ -365,6 +366,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
ret = init_driverfs();
if (ret) {
kfree(counter_config);
+ counter_config = NULL;
return ret;
}
@@ -402,7 +404,6 @@ void oprofile_arch_exit(void)
struct perf_event *event;
if (*perf_events) {
- exit_driverfs();
for_each_possible_cpu(cpu) {
for (id = 0; id < perf_num_counters; ++id) {
event = perf_events[cpu][id];
@@ -413,8 +414,10 @@ void oprofile_arch_exit(void)
}
}
- if (counter_config)
+ if (counter_config) {
kfree(counter_config);
+ exit_driverfs();
+ }
}
#else
int __init oprofile_arch_init(struct oprofile_operations *ops)