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Commit 20880e89 authored Dec 13, 2007 by Cyrill Gorcunov Committed by David S. Miller Dec 19, 2007

NET: mac80211: fix inappropriate memory freeing



Fix inappropriate memory freeing in case of requested rate_control_ops was
not found.  In this case the list head entity is going to be accidentally
wasted.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Acked-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

parent 3333590e

net/mac80211/ieee80211_rate.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -60,11 +60,11 @@ void ieee80211_rate_control_unregister(struct rate_control_ops *ops)
	list_for_each_entry(alg, &rate_ctrl_algs, list) {		list_for_each_entry(alg, &rate_ctrl_algs, list) {
	if (alg->ops == ops) {		if (alg->ops == ops) {
	list_del(&alg->list);		list_del(&alg->list);
			kfree(alg);
	break;		break;
	}		}
	}		}
	mutex_unlock(&rate_ctrl_mutex);		mutex_unlock(&rate_ctrl_mutex);
	kfree(alg);
	}		}
	EXPORT_SYMBOL(ieee80211_rate_control_unregister);		EXPORT_SYMBOL(ieee80211_rate_control_unregister);