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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-10-08 09:58:55 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-10-08 09:58:55 +0100
commit552dc340bce3b28f4af33c9134adafa5efacf1c9 (patch)
tree8ec5d6d4f7462e92baa0732aa2c47cc33a0b851c /arch/arm/oprofile/common.c
parenta9fda02bfc91a281cd812ae15dabe6bfb9574f90 (diff)
parentee621dd619b9a85eced150fc06e352fef54cfda0 (diff)
Merge branch 'for_rmk' of git://github.com/at91linux/linux-2.6-at91 into devel-stable
Diffstat (limited to 'arch/arm/oprofile/common.c')
-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 0691176899ff..72e09eb642dd 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)