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-rw-r--r--kernel/trace/ring_buffer.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 1da7b6ea8b85..5ec8f1d1480e 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -3868,6 +3868,9 @@ int ring_buffer_read_page(struct ring_buffer *buffer,
3868 rpos = reader->read; 3868 rpos = reader->read;
3869 pos += size; 3869 pos += size;
3870 3870
3871 if (rpos >= commit)
3872 break;
3873
3871 event = rb_reader_event(cpu_buffer); 3874 event = rb_reader_event(cpu_buffer);
3872 size = rb_event_length(event); 3875 size = rb_event_length(event);
3873 } while (len > size); 3876 } while (len > size);