From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arvind Yadav Subject: [PATCH 1/3] iio: trigger: Fix platform_get_irq's error checking Date: Thu, 30 Nov 2017 21:13:34 +0530 Message-ID: <1512056616-21065-2-git-send-email-arvind.yadav.cs@gmail.com> References: <1512056616-21065-1-git-send-email-arvind.yadav.cs@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: linux-iio@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org, knaack.h@gmx.de, pmeerw@pmeerw.net, gregkh@linuxfoundation.org, samuel@sortiz.org Return-path: In-Reply-To: <1512056616-21065-1-git-send-email-arvind.yadav.cs@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" List-Id: netdev.vger.kernel.org The platform_get_irq() function returns negative if an error occurs. zero or positive number on success. platform_get_irq() error checking for zero is not correct. Signed-off-by: Arvind Yadav --- drivers/staging/iio/trigger/iio-trig-bfin-timer.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c index d80dcf8..f389f5c 100644 --- a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c +++ b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c @@ -187,9 +187,9 @@ static int iio_bfin_tmr_trigger_probe(struct platform_device *pdev) return -ENOMEM; st->irq = platform_get_irq(pdev, 0); - if (!st->irq) { + if (st->irq < 0) { dev_err(&pdev->dev, "No IRQs specified"); - return -ENODEV; + return st->irq; } ret = iio_bfin_tmr_get_number(st->irq); -- 2.7.4