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| author |   Chuhong Yuan <hslester96@gmail.com> | 2019-10-16 22:25:40 +0800 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2019-10-18 20:08:01 +0100 |
| commit | a96de139301385e5992768c0f60240ddfbb33325 (patch) | |
| tree | 7d8dcd50d7baf091639b6e691ff8298679379639 /drivers/staging/iio | |
| parent | iio: adc: xilinx-xadc: use devm_platform_ioremap_resource (diff) | |
| download | linux-dev-a96de139301385e5992768c0f60240ddfbb33325.tar.xz linux-dev-a96de139301385e5992768c0f60240ddfbb33325.zip | |
staging: iio: ad9834: add a check for devm_clk_get
ad9834_probe misses a check for devm_clk_get and may cause problems.
Add a check like what ad9832 does to fix it.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/staging/iio')
| -rw-r--r-- | drivers/staging/iio/frequency/ad9834.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/staging/iio/frequency/ad9834.c b/drivers/staging/iio/frequency/ad9834.c index 038d6732c3fd..23026978a5a5 100644 --- a/drivers/staging/iio/frequency/ad9834.c +++ b/drivers/staging/iio/frequency/ad9834.c @@ -417,6 +417,10 @@ static int ad9834_probe(struct spi_device *spi) st = iio_priv(indio_dev); mutex_init(&st->lock); st->mclk = devm_clk_get(&spi->dev, NULL); + if (IS_ERR(st->mclk)) { + ret = PTR_ERR(st->mclk); + goto error_disable_reg; + } ret = clk_prepare_enable(st->mclk); if (ret) { |