From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752372AbeDEQUM (ORCPT ); Thu, 5 Apr 2018 12:20:12 -0400 Received: from gateway34.websitewelcome.com ([192.185.148.194]:42608 "EHLO gateway34.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751469AbeDEQUL (ORCPT ); Thu, 5 Apr 2018 12:20:11 -0400 Date: Thu, 5 Apr 2018 11:20:06 -0500 From: "Gustavo A. R. Silva" To: Xue Liu , Alexander Aring , Stefan Schmidt Cc: linux-wpan@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH] ieee802154: mcr20a: Fix memory leak in mcr20a_probe Message-ID: <20180405162006.GA2199@embeddedor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 189.145.54.187 X-Source-L: No X-Exim-ID: 1f47cN-000QR3-O5 X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedor) [189.145.54.187]:41978 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 6 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Free allocated memory for pdata before return. Addresses-Coverity-ID: 1466096 ("Resource leak") Fixes: 8c6ad9cc5157 ("ieee802154: Add NXP MCR20A IEEE 802.15.4 transceiver driver") Signed-off-by: Gustavo A. R. Silva --- drivers/net/ieee802154/mcr20a.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c index 55a22c7..944470d 100644 --- a/drivers/net/ieee802154/mcr20a.c +++ b/drivers/net/ieee802154/mcr20a.c @@ -1267,7 +1267,7 @@ mcr20a_probe(struct spi_device *spi) ret = mcr20a_get_platform_data(spi, pdata); if (ret < 0) { dev_crit(&spi->dev, "mcr20a_get_platform_data failed.\n"); - return ret; + goto free_pdata; } /* init reset gpio */ @@ -1275,7 +1275,7 @@ mcr20a_probe(struct spi_device *spi) ret = devm_gpio_request_one(&spi->dev, pdata->rst_gpio, GPIOF_OUT_INIT_HIGH, "reset"); if (ret) - return ret; + goto free_pdata; } /* reset mcr20a */ @@ -1291,7 +1291,8 @@ mcr20a_probe(struct spi_device *spi) hw = ieee802154_alloc_hw(sizeof(*lp), &mcr20a_hw_ops); if (!hw) { dev_crit(&spi->dev, "ieee802154_alloc_hw failed\n"); - return -ENOMEM; + ret = -ENOMEM; + goto free_pdata; } /* init mcr20a local data */ @@ -1366,6 +1367,8 @@ mcr20a_probe(struct spi_device *spi) free_dev: ieee802154_free_hw(lp->hw); +free_pdata: + kfree(pdata); return ret; } -- 2.7.4