From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E5F646FA0 for ; Mon, 16 Jan 2023 16:43:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 49E56C433D2; Mon, 16 Jan 2023 16:43:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673887386; bh=D++9V9Oyy3oxs2XcPMNi7DAfIPKA9ks4j1KYZ9XVxrM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aNswLKSf1eOSgtHa/an2LGVy+lRwVYLyCzxpTWVN0W9D/acokSbKVKr0dPR1Sj/gL dGO+QIGwLmDBYiJ2TkI9nP6amXhCkSmjU0/Vl/KhkJqp7EEgfZFIIyHlIzKzyGnc6r oS/b/alzCboDcnmvpL5q2GY69QA8z0fR2pQwfLSc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhengchao Shao , Johannes Berg , Sasha Levin Subject: [PATCH 4.19 129/521] wifi: mac80211: fix memory leak in ieee80211_if_add() Date: Mon, 16 Jan 2023 16:46:31 +0100 Message-Id: <20230116154853.031531034@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116154847.246743274@linuxfoundation.org> References: <20230116154847.246743274@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Zhengchao Shao [ Upstream commit 13e5afd3d773c6fc6ca2b89027befaaaa1ea7293 ] When register_netdevice() failed in ieee80211_if_add(), ndev->tstats isn't released. Fix it. Fixes: 5a490510ba5f ("mac80211: use per-CPU TX/RX statistics") Signed-off-by: Zhengchao Shao Link: https://lore.kernel.org/r/20221117064500.319983-1-shaozhengchao@huawei.com Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/mac80211/iface.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 358028a09ce4..5d252d144cb9 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1888,6 +1888,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, ret = register_netdevice(ndev); if (ret) { + ieee80211_if_free(ndev); free_netdev(ndev); return ret; } -- 2.35.1