diff options
| -rw-r--r-- | kernel/trace/trace.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index cb41e98..e058c60 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -4237,15 +4237,6 @@ static int tracing_wait_pipe(struct file *filp) return -EAGAIN; } - mutex_unlock(&iter->mutex); - - iter->trace->wait_pipe(iter); - - mutex_lock(&iter->mutex); - - if (signal_pending(current)) - return -EINTR; - /* * We block until we read something and tracing is disabled. * We still block if tracing is disabled, but we have never @@ -4257,6 +4248,15 @@ static int tracing_wait_pipe(struct file *filp) */ if (!tracing_is_on() && iter->pos) break; + + mutex_unlock(&iter->mutex); + + iter->trace->wait_pipe(iter); + + mutex_lock(&iter->mutex); + + if (signal_pending(current)) + return -EINTR; } return 1; |
