From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arvind Yadav Subject: [PATCH 08/10] net: fjes: Handle return value of platform_get_irq and platform_get_resource Date: Sun, 3 Dec 2017 00:56:20 +0530 Message-ID: <1512242782-7134-9-git-send-email-arvind.yadav.cs@gmail.com> References: <1512242782-7134-1-git-send-email-arvind.yadav.cs@gmail.com> Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org To: wg@grandegger.com, mkl@pengutronix.de, michal.simek@xilinx.com, opendmb@gmail.com, f.fainelli@gmail.com, davem@davemloft.net, Vladislav.Zakharov@synopsys.com Return-path: In-Reply-To: <1512242782-7134-1-git-send-email-arvind.yadav.cs@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org platform_get_irq() and platform_get_resource() can fail here and we must check its return value. Signed-off-by: Arvind Yadav --- drivers/net/fjes/fjes_main.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index 750954b..540dd51 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -1265,9 +1265,19 @@ static int fjes_probe(struct platform_device *plat_dev) adapter->interrupt_watch_enable = false; res = platform_get_resource(plat_dev, IORESOURCE_MEM, 0); + if (!res) { + err = -EINVAL; + goto err_free_netdev; + } + hw->hw_res.start = res->start; hw->hw_res.size = resource_size(res); hw->hw_res.irq = platform_get_irq(plat_dev, 0); + if (hw->hw_res.irq <= 0) { + err = hw->hw_res.irq ? hw->hw_res.irq : -ENODEV; + goto err_free_netdev; + } + err = fjes_hw_init(&adapter->hw); if (err) goto err_free_netdev; -- 2.7.4