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rcu: Fix wrong check in list_splice_init_rcu()

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If the list to be spliced is empty, then list_splice_init_rcu() has
nothing to do.  Unfortunately, list_splice_init_rcu() does not check
the list to be spliced; it instead checks the list to be spliced into.
This results in memory leaks given current usage.  This commit
therefore fixes the empty-list check.

Signed-off-by: Jan H. Schönherr <schnhrr@cs.tu-berlin.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Jan H. Schönherr 2011-07-19 21:10:26 +02:00 committed by Paul E. McKenney
parent cefcb60201
commit 7f70893173
1 changed files with 1 additions and 1 deletions
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include/linux/rculist.h
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@ -183,7 +183,7 @@ static inline void list_splice_init_rcu(struct list_head *list,
struct list_head *last = list->prev;
struct list_head *at = head->next;
if (list_empty(head))
if (list_empty(list))
return;
/* "first" and "last" tracking list, so initialize it. */