summaryrefslogtreecommitdiffstats
path: root/kernel/trace/trace.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2011-01-24 13:17:06 -0800
committerDavid S. Miller <davem@davemloft.net>2011-01-24 13:17:06 -0800
commite92427b289d252cfbd4cb5282d92f4ce1a5bb1fb (patch)
tree6d30e5e7b7f8e9aaa51d43b7128ac56860fa03bb /kernel/trace/trace.c
parentc506653d35249bb4738bb139c24362e1ae724bc1 (diff)
parentec30f343d61391ab23705e50a525da1d55395780 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'kernel/trace/trace.c')
-rw-r--r--kernel/trace/trace.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index f8cf959bad4..dc53ecb8058 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1313,12 +1313,10 @@ ftrace_trace_userstack(struct ring_buffer *buffer, unsigned long flags, int pc)
__this_cpu_inc(user_stack_count);
-
-
event = trace_buffer_lock_reserve(buffer, TRACE_USER_STACK,
sizeof(*entry), flags, pc);
if (!event)
- return;
+ goto out_drop_count;
entry = ring_buffer_event_data(event);
entry->tgid = current->tgid;
@@ -1333,8 +1331,8 @@ ftrace_trace_userstack(struct ring_buffer *buffer, unsigned long flags, int pc)
if (!filter_check_discard(call, entry, buffer, event))
ring_buffer_unlock_commit(buffer, event);
+ out_drop_count:
__this_cpu_dec(user_stack_count);
-
out:
preempt_enable();
}