Commit e74da523 authored by Steven Rostedt's avatar Steven Rostedt
Browse files

tracing: fix seq read from trace files 



The buffer used by trace_seq was updated incorrectly. Instead
of consuming what was actually read, it consumed the rest of the
buffer on reads.

Signed-off-by: default avatarSteven Rostedt <srostedt@redhat.com>
parent 2dc5d12b

kernel/trace/trace.c

+2 −2
Original line number Diff line number Diff line
@@ -361,7 +361,7 @@ ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf, size_t cnt) 


	cnt -= ret;



	s->readpos += len;

	s->readpos += cnt;

	return cnt;

}
@@ -380,7 +380,7 @@ ssize_t trace_seq_to_buffer(struct trace_seq *s, void *buf, size_t cnt) 
	if (!ret)

		return -EFAULT;



	s->readpos += len;

	s->readpos += cnt;

	return cnt;

}