From: Insu Yun <wuninsu@gmail.com>
To: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org,
knaack.h@gmx.de, pmeerw@pmeerw.net, linux-iio@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: taesoo@gatech.edu, yeongjin.jang@gatech.edu, insu@gatech.edu,
changwoo@gatech.edu, Insu Yun <wuninsu@gmail.com>
Subject: [PATCH] adc: correctly check return value
Date: Mon, 19 Oct 2015 16:08:51 +0000 [thread overview]
Message-ID: <1445270931-24109-1-git-send-email-wuninsu@gmail.com> (raw)
Since devm_regulator_get returns address or error, not NULL,
it needs to be checked with IS_ERR, not IS_ERR_OR_NULL.
Signed-off-by: Insu Yun <wuninsu@gmail.com>
---
drivers/iio/adc/ad7266.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c
index 70f78c3..26cd54b 100644
--- a/drivers/iio/adc/ad7266.c
+++ b/drivers/iio/adc/ad7266.c
@@ -397,7 +397,7 @@ static int ad7266_probe(struct spi_device *spi)
st = iio_priv(indio_dev);
st->reg = devm_regulator_get(&spi->dev, "vref");
- if (!IS_ERR_OR_NULL(st->reg)) {
+ if (!IS_ERR(st->reg)) {
ret = regulator_enable(st->reg);
if (ret)
return ret;
--
1.9.1
next reply other threads:[~2015-10-19 16:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-19 16:08 Insu Yun [this message]
2015-10-19 19:05 ` Hartmut Knaack
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1445270931-24109-1-git-send-email-wuninsu@gmail.com \
--to=wuninsu@gmail.com \
--cc=Michael.Hennerich@analog.com \
--cc=changwoo@gatech.edu \
--cc=insu@gatech.edu \
--cc=jic23@kernel.org \
--cc=knaack.h@gmx.de \
--cc=lars@metafoo.de \
--cc=linux-iio@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=pmeerw@pmeerw.net \
--cc=taesoo@gatech.edu \
--cc=yeongjin.jang@gatech.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®