From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Arvind Yadav To: jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, soren.brinkmann@xilinx.com Cc: linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] iio: adc: xilinx: Handle return value of clk_prepare_enable Date: Fri, 26 May 2017 12:07:41 +0530 Message-Id: <29dda0d20f714ce828e294f99b7f400e89f5b35a.1495780467.git.arvind.yadav.cs@gmail.com> List-ID: clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav --- drivers/iio/adc/xilinx-xadc-core.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index 56cf590..4a60497 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -1204,7 +1204,10 @@ static int xadc_probe(struct platform_device *pdev) ret = PTR_ERR(xadc->clk); goto err_free_samplerate_trigger; } - clk_prepare_enable(xadc->clk); + + ret = clk_prepare_enable(xadc->clk); + if (ret) + goto err_free_samplerate_trigger; ret = xadc->ops->setup(pdev, indio_dev, irq); if (ret) -- 1.9.1