From: Marcus Folkesson <marcus.folkesson@gmail.com>
Date: Tue, 27 Sep 2022 09:25:37 +0000 (+0200)
Subject: iio: adc: mcp3911: return proper error code on failure to allocate trigger
X-Git-Tag: v6.1-rc3~2^2~4^2~9
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=a83695a666eb3541873c3c9734ec4e1d10ca2d7f;p=linux-block.git

iio: adc: mcp3911: return proper error code on failure to allocate trigger

smatch warnings:
drivers/iio/adc/mcp3911.c:441 mcp3911_probe() warn: passing zero to 'PTR_ERR'

Fixes: 08a65f61db69 ("iio: adc: mcp3911: add support for interrupts")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Link: https://lore.kernel.org/r/20220927092537.94663-1-marcus.folkesson@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c
index 015a9ffdb26a..7f0b37994fe5 100644
--- a/drivers/iio/adc/mcp3911.c
+++ b/drivers/iio/adc/mcp3911.c
@@ -496,7 +496,7 @@ static int mcp3911_probe(struct spi_device *spi)
 				indio_dev->name,
 				iio_device_id(indio_dev));
 		if (!adc->trig)
-			return PTR_ERR(adc->trig);
+			return -ENOMEM;
 
 		adc->trig->ops = &mcp3911_trigger_ops;
 		iio_trigger_set_drvdata(adc->trig, adc);