[PATCH 3.15 43/61] iio: adc: checking for NULL instead of IS_ERR() in probe
From: Greg Kroah-Hartman
Date: Tue Jun 24 2014 - 12:03:13 EST
3.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit e94f62e79f7f63a68574ee5e76c19837ec12f3db upstream.
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 <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/iio/adc/men_z188_adc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- 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_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)
--
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