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 82A678481 for ; Fri, 10 Mar 2023 14:15:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D5D7CC4339E; Fri, 10 Mar 2023 14:15:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678457702; bh=RK59v+7tkIof8xQyvhmhP4ktorEGLlFM/C0HX10/00c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jcMBuinvaj/dp94RjmxYVezY+7fihdbBh9oJL2BylUaslKquFoD4b9vnCGaYbhcxD ITH1gbA+j+MnXLe4SYcO3rdcyyho5l4hJ9aFUoF5HuZroVgYzxeYHqXSZ31WQkPST5 aAPc0Wfs0o1F4TWWzd3Bnuk3/N44601ArLYhP17s= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhengchao Shao , Jiri Pirko , Kalle Valo , Sasha Levin Subject: [PATCH 4.19 021/252] wifi: libertas: fix memory leak in lbs_init_adapter() Date: Fri, 10 Mar 2023 14:36:31 +0100 Message-Id: <20230310133719.464871719@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230310133718.803482157@linuxfoundation.org> References: <20230310133718.803482157@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 16a03958618fb91bb1bc7077cf3211055162cc2f ] When kfifo_alloc() failed in lbs_init_adapter(), cmd buffer is not released. Add free memory to processing error path. Fixes: 7919b89c8276 ("libertas: convert libertas driver to use an event/cmdresp queue") Signed-off-by: Zhengchao Shao Reviewed-by: Jiri Pirko Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20221208121448.2845986-1-shaozhengchao@huawei.com Signed-off-by: Sasha Levin --- drivers/net/wireless/marvell/libertas/main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/marvell/libertas/main.c b/drivers/net/wireless/marvell/libertas/main.c index f22e1c220cba1..41e37c17d9c28 100644 --- a/drivers/net/wireless/marvell/libertas/main.c +++ b/drivers/net/wireless/marvell/libertas/main.c @@ -869,6 +869,7 @@ static int lbs_init_adapter(struct lbs_private *priv) ret = kfifo_alloc(&priv->event_fifo, sizeof(u32) * 16, GFP_KERNEL); if (ret) { pr_err("Out of memory allocating event FIFO buffer\n"); + lbs_free_cmd_buffer(priv); goto out; } -- 2.39.2