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ALSA: pcm: Add debug-print helper function
[cascardo/linux.git]
/
lib
/
list_debug.c
diff --git
a/lib/list_debug.c
b/lib/list_debug.c
index
3810b48
..
23a5e03
100644
(file)
--- a/
lib/list_debug.c
+++ b/
lib/list_debug.c
@@
-31,6
+31,9
@@
void __list_add(struct list_head *new,
"list_add corruption. prev->next should be "
"next (%p), but was %p. (prev=%p).\n",
next, prev->next, prev);
"list_add corruption. prev->next should be "
"next (%p), but was %p. (prev=%p).\n",
next, prev->next, prev);
+ WARN(new == prev || new == next,
+ "list_add double add: new=%p, prev=%p, next=%p.\n",
+ new, prev, next);
next->prev = new;
new->next = next;
new->prev = prev;
next->prev = new;
new->next = next;
new->prev = prev;