Unverified Commit 69d39b68 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!15502 wifi: mac80211: fix use-after-free in chanctx code 

Merge Pull Request from: @ci-robot 
 
PR sync from: Xiangwei Li <liwei728@huawei.com>
https://mailweb.openeuler.org/archives/list/kernel@openeuler.org/message/COIL6QLJPVBP2KAY7DR5I6BRM3Q7VOP2/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBP3RV 
 
Link:https://gitee.com/openeuler/kernel/pulls/15502

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Reviewed-by: default avatarYuan Can <yuancan@huawei.com>
Signed-off-by: default avatarYuan Can <yuancan@huawei.com>
parents 1e6631f5 8329e7b6

net/mac80211/chan.c

+2 −5
Original line number Diff line number Diff line
@@ -1638,12 +1638,9 @@ int ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata) 


	if (new_ctx->replace_state == IEEE80211_CHANCTX_REPLACE_NONE) {

		if (old_ctx)

			err = ieee80211_vif_use_reserved_reassign(sdata);

		else

			err = ieee80211_vif_use_reserved_assign(sdata);

			return ieee80211_vif_use_reserved_reassign(sdata);



		if (err)

			return err;

		return ieee80211_vif_use_reserved_assign(sdata);

	}



	/*