diff options
Diffstat (limited to 'kernel/trace/trace_uprobe.c')
| -rw-r--r-- | kernel/trace/trace_uprobe.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 2cabf8a23ec5..c274346853d1 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -912,7 +912,7 @@ static int uprobe_buffer_enable(void) { int ret = 0; - BUG_ON(!mutex_is_locked(&event_mutex)); + lockdep_assert_held(&event_mutex); if (uprobe_buffer_refcnt++ == 0) { ret = uprobe_buffer_init(); @@ -927,7 +927,7 @@ static void uprobe_buffer_disable(void) { int cpu; - BUG_ON(!mutex_is_locked(&event_mutex)); + lockdep_assert_held(&event_mutex); if (--uprobe_buffer_refcnt == 0) { for_each_possible_cpu(cpu) @@ -979,6 +979,7 @@ static struct uprobe_cpu_buffer *prepare_uprobe_buffer(struct trace_uprobe *tu, ucb = uprobe_buffer_get(); ucb->dsize = tu->tp.size + dsize; + BUILD_BUG_ON(MAX_UCB_BUFFER_SIZE < MAX_PROBE_EVENT_SIZE); if (WARN_ON_ONCE(ucb->dsize > MAX_UCB_BUFFER_SIZE)) { ucb->dsize = MAX_UCB_BUFFER_SIZE; dsize = MAX_UCB_BUFFER_SIZE - tu->tp.size; |