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authorDan Carpenter <dan.carpenter@oracle.com>2012-08-18 09:48:00 +0100
committerJonathan Cameron <jic23@kernel.org>2012-08-27 19:00:51 +0100
commit50d4b3062d6d4f165c76854a7644b1502836f9b9 (patch)
treebe3054fcd1be653399d24583a6a219b08fdf9113 /drivers/staging/iio/gyro
parent95d1c8c7e26e303ccab5b65fe0ce04f70f42ea8a (diff)
staging:iio: prevent divide by zero bugs
"val" is used as a divisor later, so we should check for zero here to avoid a division by zero. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/staging/iio/gyro')
-rw-r--r--drivers/staging/iio/gyro/adis16260_core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/iio/gyro/adis16260_core.c b/drivers/staging/iio/gyro/adis16260_core.c
index 93aa431287a..eb8e9d69efd 100644
--- a/drivers/staging/iio/gyro/adis16260_core.c
+++ b/drivers/staging/iio/gyro/adis16260_core.c
@@ -195,6 +195,8 @@ static ssize_t adis16260_write_frequency(struct device *dev,
ret = strict_strtol(buf, 10, &val);
if (ret)
return ret;
+ if (val == 0)
+ return -EINVAL;
mutex_lock(&indio_dev->mlock);
if (spi_get_device_id(st->us)) {