From: Dan Carpenter <error27@gmail.com>
To: Jonathan Cameron <jic23@cam.ac.uk>
Cc: Greg Kroah-Hartman <gregkh@suse.de>,
Michael Hennerich <michael.hennerich@analog.com>,
Paul Gortmaker <paul.gortmaker@windriver.com>,
Mike Frysinger <vapier@gentoo.org>,
"open list:STAGING - INDUSTR..." <linux-iio@vger.kernel.org>,
"open list:STAGING SUBSYSTEM" <devel@driverdev.osuosl.org>,
kernel-janitors@vger.kernel.org
Subject: [patch] Staging: iio: add some unlocks to raw_read() functions
Date: Sat, 30 Jul 2011 08:45:09 +0000 [thread overview]
Message-ID: <20110730084509.GD5575@shale.localdomain> (raw)
This code was cut and pasted in several places. It's missing some
unlocks on error.
Signed-off-by: Dan Carpenter <error27@gmail.com>
diff --git a/drivers/staging/iio/accel/adis16203_core.c b/drivers/staging/iio/accel/adis16203_core.c
index b6e0d84..30be963 100644
--- a/drivers/staging/iio/accel/adis16203_core.c
+++ b/drivers/staging/iio/accel/adis16203_core.c
@@ -312,13 +312,17 @@ static int adis16203_read_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
addr = adis16203_addresses[chan->address][0];
ret = adis16203_spi_read_reg_16(indio_dev, addr, &val16);
- if (ret)
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
return ret;
+ }
if (val16 & ADIS16203_ERROR_ACTIVE) {
ret = adis16203_check_status(indio_dev);
- if (ret)
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
return ret;
+ }
}
val16 = val16 & ((1 << chan->scan_type.realbits) - 1);
if (chan->scan_type.sign = 's')
diff --git a/drivers/staging/iio/accel/adis16204_core.c b/drivers/staging/iio/accel/adis16204_core.c
index 61c2442..eb68367 100644
--- a/drivers/staging/iio/accel/adis16204_core.c
+++ b/drivers/staging/iio/accel/adis16204_core.c
@@ -342,13 +342,17 @@ static int adis16204_read_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
addr = adis16204_addresses[chan->address][0];
ret = adis16204_spi_read_reg_16(indio_dev, addr, &val16);
- if (ret)
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
return ret;
+ }
if (val16 & ADIS16204_ERROR_ACTIVE) {
ret = adis16204_check_status(indio_dev);
- if (ret)
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
return ret;
+ }
}
val16 = val16 & ((1 << chan->scan_type.realbits) - 1);
if (chan->scan_type.sign = 's')
diff --git a/drivers/staging/iio/accel/adis16209_core.c b/drivers/staging/iio/accel/adis16209_core.c
index 238438e..39a6136 100644
--- a/drivers/staging/iio/accel/adis16209_core.c
+++ b/drivers/staging/iio/accel/adis16209_core.c
@@ -338,13 +338,17 @@ static int adis16209_read_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
addr = adis16209_addresses[chan->address][0];
ret = adis16209_spi_read_reg_16(indio_dev, addr, &val16);
- if (ret)
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
return ret;
+ }
if (val16 & ADIS16209_ERROR_ACTIVE) {
ret = adis16209_check_status(indio_dev);
- if (ret)
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
return ret;
+ }
}
val16 = val16 & ((1 << chan->scan_type.realbits) - 1);
if (chan->scan_type.sign = 's')
diff --git a/drivers/staging/iio/accel/adis16240_core.c b/drivers/staging/iio/accel/adis16240_core.c
index 3abac95..d1f5305 100644
--- a/drivers/staging/iio/accel/adis16240_core.c
+++ b/drivers/staging/iio/accel/adis16240_core.c
@@ -371,13 +371,17 @@ static int adis16240_read_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
addr = adis16240_addresses[chan->address][0];
ret = adis16240_spi_read_reg_16(indio_dev, addr, &val16);
- if (ret)
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
return ret;
+ }
if (val16 & ADIS16240_ERROR_ACTIVE) {
ret = adis16240_check_status(indio_dev);
- if (ret)
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
return ret;
+ }
}
val16 = val16 & ((1 << chan->scan_type.realbits) - 1);
if (chan->scan_type.sign = 's')
diff --git a/drivers/staging/iio/gyro/adis16260_core.c b/drivers/staging/iio/gyro/adis16260_core.c
index 02de650..429c252 100644
--- a/drivers/staging/iio/gyro/adis16260_core.c
+++ b/drivers/staging/iio/gyro/adis16260_core.c
@@ -447,13 +447,17 @@ static int adis16260_read_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
addr = adis16260_addresses[chan->address][0];
ret = adis16260_spi_read_reg_16(indio_dev, addr, &val16);
- if (ret)
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
return ret;
+ }
if (val16 & ADIS16260_ERROR_ACTIVE) {
ret = adis16260_check_status(indio_dev);
- if (ret)
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
return ret;
+ }
}
val16 = val16 & ((1 << chan->scan_type.realbits) - 1);
if (chan->scan_type.sign = 's')
reply other threads:[~2011-07-30 8:45 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=20110730084509.GD5575@shale.localdomain \
--to=error27@gmail.com \
--cc=devel@driverdev.osuosl.org \
--cc=gregkh@suse.de \
--cc=jic23@cam.ac.uk \
--cc=kernel-janitors@vger.kernel.org \
--cc=linux-iio@vger.kernel.org \
--cc=michael.hennerich@analog.com \
--cc=paul.gortmaker@windriver.com \
--cc=vapier@gentoo.org \
/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