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authorJens Axboe <jaxboe@fusionio.com>2011-03-01 15:04:39 -0500
committerJens Axboe <jaxboe@fusionio.com>2011-03-01 15:04:39 -0500
commit6fae9c25134baffbeeb20031479e7ff6f6d8eec0 (patch)
treec9ab89992ce5293a43cd455a81dc8a5926a28a5e /kernel/trace/trace.c
parentc186794dbb466b45cf40f942f2d09d6d5b4b0e42 (diff)
parentf5412be599602124d2bdd49947b231dd77c0bf99 (diff)
Merge commit 'v2.6.38-rc6' into for-2.6.39/core
Conflicts: block/cfq-iosched.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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();
}