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authorPatrick McHardy <kaber@trash.net>2010-02-10 14:17:10 +0100
committerPatrick McHardy <kaber@trash.net>2010-02-10 14:17:10 +0100
commit9ab99d5a43e9f283738fd9fd365539306d13eaac (patch)
tree0214a63e3f4f7f4f187f0139e4a5d8abe453902b /kernel/perf_event.c
parent76780373190d7e8ddfb6fed06aef068e2445c743 (diff)
parentb1109bf085c8dd69537b7876ea83f914dd1fe46a (diff)
Merge branch 'master' of /repos/git/net-next-2.6
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'kernel/perf_event.c')
-rw-r--r--kernel/perf_event.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 1f38270f08c7..d27746bd3a06 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -3268,6 +3268,9 @@ static void perf_event_task_output(struct perf_event *event,
static int perf_event_task_match(struct perf_event *event)
{
+ if (event->state != PERF_EVENT_STATE_ACTIVE)
+ return 0;
+
if (event->cpu != -1 && event->cpu != smp_processor_id())
return 0;
@@ -3377,6 +3380,9 @@ static void perf_event_comm_output(struct perf_event *event,
static int perf_event_comm_match(struct perf_event *event)
{
+ if (event->state != PERF_EVENT_STATE_ACTIVE)
+ return 0;
+
if (event->cpu != -1 && event->cpu != smp_processor_id())
return 0;
@@ -3494,6 +3500,9 @@ static void perf_event_mmap_output(struct perf_event *event,
static int perf_event_mmap_match(struct perf_event *event,
struct perf_mmap_event *mmap_event)
{
+ if (event->state != PERF_EVENT_STATE_ACTIVE)
+ return 0;
+
if (event->cpu != -1 && event->cpu != smp_processor_id())
return 0;
@@ -5148,7 +5157,7 @@ int perf_event_init_task(struct task_struct *child)
GFP_KERNEL);
if (!child_ctx) {
ret = -ENOMEM;
- goto exit;
+ break;
}
__perf_event_init_context(child_ctx, child);
@@ -5164,7 +5173,7 @@ int perf_event_init_task(struct task_struct *child)
}
}
- if (inherited_all) {
+ if (child_ctx && inherited_all) {
/*
* Mark the child context as a clone of the parent
* context, or of whatever the parent is a clone of.
@@ -5184,7 +5193,6 @@ int perf_event_init_task(struct task_struct *child)
get_ctx(child_ctx->parent_ctx);
}
-exit:
mutex_unlock(&parent_ctx->mutex);
perf_unpin_context(parent_ctx);