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From: Colin King <colin.king@canonical.com>
To: Dragos Bogdan <dragos.bogdan@analog.com>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Michael Hennerich <Michael.Hennerich@analog.com>,
	Jonathan Cameron <jic23@kernel.org>,
	Hartmut Knaack <knaack.h@gmx.de>,
	Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
	linux-iio@vger.kernel.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH][next] iio: adc: ad7476: remove redundant null check on an array
Date: Fri, 24 Apr 2020 14:04:19 +0100	[thread overview]
Message-ID: <20200424130419.22940-1-colin.king@canonical.com> (raw)

From: Colin Ian King <colin.king@canonical.com>

The null check on st->chip_info->convst_channel is redundant because
convst_channel is a 2 element array of struct iio_chan_spec objects
and this can never be null. Fix this by removing the null check.

Addresses-Coverity: ("Array compared against 0")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/iio/adc/ad7476.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c
index e9984a38fc4c..4e816d714ad2 100644
--- a/drivers/iio/adc/ad7476.c
+++ b/drivers/iio/adc/ad7476.c
@@ -309,7 +309,7 @@ static int ad7476_probe(struct spi_device *spi)
 	indio_dev->num_channels = 2;
 	indio_dev->info = &ad7476_info;
 
-	if (st->convst_gpio && st->chip_info->convst_channel)
+	if (st->convst_gpio)
 		indio_dev->channels = st->chip_info->convst_channel;
 	/* Setup default message */
 
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: Colin King <colin.king@canonical.com>
To: Dragos Bogdan <dragos.bogdan@analog.com>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Michael Hennerich <Michael.Hennerich@analog.com>,
	Jonathan Cameron <jic23@kernel.org>,
	Hartmut Knaack <knaack.h@gmx.de>,
	Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
	linux-iio@vger.kernel.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH][next] iio: adc: ad7476: remove redundant null check on an array
Date: Fri, 24 Apr 2020 13:04:19 +0000	[thread overview]
Message-ID: <20200424130419.22940-1-colin.king@canonical.com> (raw)

From: Colin Ian King <colin.king@canonical.com>

The null check on st->chip_info->convst_channel is redundant because
convst_channel is a 2 element array of struct iio_chan_spec objects
and this can never be null. Fix this by removing the null check.

Addresses-Coverity: ("Array compared against 0")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/iio/adc/ad7476.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c
index e9984a38fc4c..4e816d714ad2 100644
--- a/drivers/iio/adc/ad7476.c
+++ b/drivers/iio/adc/ad7476.c
@@ -309,7 +309,7 @@ static int ad7476_probe(struct spi_device *spi)
 	indio_dev->num_channels = 2;
 	indio_dev->info = &ad7476_info;
 
-	if (st->convst_gpio && st->chip_info->convst_channel)
+	if (st->convst_gpio)
 		indio_dev->channels = st->chip_info->convst_channel;
 	/* Setup default message */
 
-- 
2.25.1

             reply	other threads:[~2020-04-24 13:04 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-24 13:04 Colin King [this message]
2020-04-24 13:04 ` [PATCH][next] iio: adc: ad7476: remove redundant null check on an array Colin King
2020-04-24 15:01 ` Ardelean, Alexandru
2020-04-24 15:01   ` Ardelean, Alexandru
2020-04-25 17:01   ` Jonathan Cameron
2020-04-25 17:01     ` Jonathan Cameron
2020-04-25 17:02     ` Jonathan Cameron
2020-04-25 17:02       ` Jonathan Cameron

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