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Merge branch 'tip/tracing/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/urgent

Ingo Molnar 15 роки тому
батько
коміт
ff2576674c
1 змінених файлів з 2 додано та 2 видалено
  1. 2 2
      kernel/trace/ring_buffer.c

+ 2 - 2
kernel/trace/ring_buffer.c

@@ -2869,7 +2869,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
 	 * Splice the empty reader page into the list around the head.
 	 */
 	reader = rb_set_head_page(cpu_buffer);
-	cpu_buffer->reader_page->list.next = reader->list.next;
+	cpu_buffer->reader_page->list.next = rb_list_head(reader->list.next);
 	cpu_buffer->reader_page->list.prev = reader->list.prev;
 
 	/*
@@ -2906,7 +2906,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
 	 *
 	 * Now make the new head point back to the reader page.
 	 */
-	reader->list.next->prev = &cpu_buffer->reader_page->list;
+	rb_list_head(reader->list.next)->prev = &cpu_buffer->reader_page->list;
 	rb_inc_page(cpu_buffer, &cpu_buffer->head_page);
 
 	/* Finally update the reader page to the new head */