From e94f62e79f7f63a68574ee5e76c19837ec12f3db Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 28 Mar 2014 08:33:00 +0000 Subject: [PATCH] iio: adc: checking for NULL instead of IS_ERR() in probe mcb_request_mem() returns an ERR_PTR(), it doesn't return NULL. Fixes: 74aeac4da66f ('iio: adc: Add MEN 16z188 ADC driver') Signed-off-by: Dan Carpenter Signed-off-by: Jonathan Cameron Cc: Stable@vger.kernel.org --- drivers/iio/adc/men_z188_adc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/adc/men_z188_adc.c b/drivers/iio/adc/men_z188_adc.c index 6989c16aec2b..b58d6302521f 100644 --- a/drivers/iio/adc/men_z188_adc.c +++ b/drivers/iio/adc/men_z188_adc.c @@ -121,8 +121,8 @@ static int men_z188_probe(struct mcb_device *dev, indio_dev->num_channels = ARRAY_SIZE(z188_adc_iio_channels); mem = mcb_request_mem(dev, "z188-adc"); - if (!mem) - return -ENOMEM; + if (IS_ERR(mem)) + return PTR_ERR(mem); adc->base = ioremap(mem->start, resource_size(mem)); if (adc->base == NULL) -- 2.30.2