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tracing/stat: remember to free root node

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When closing a trace_stat file, we destroy the rbtree constructed during
file open, but there is memory leak that the root node is not freed.

[ Impact: fix memory leak when closing a trace_stat file ]

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
Li Zefan
2009-05-27 11:04:48 +08:00
committed by Frederic Weisbecker
parent b3dd7ba7d8
commit e162280690
1 changed files with 2 additions and 2 deletions
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4
kernel/trace/trace_stat.c
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@@ -60,8 +60,8 @@ static struct rb_node *release_next(struct rb_node *node)
return node->rb_right; return node->rb_right;
else { else {
if (!parent) if (!parent)
return NULL; ;
if (parent->rb_left == node) else if (parent->rb_left == node)
parent->rb_left = NULL; parent->rb_left = NULL;
else else
parent->rb_right = NULL; parent->rb_right = NULL;