staging: iio: ad9832: Remove redundant check

'val' is unsigned and cannot be negative.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Michael Hennerich <hennerich@blackfin.uclinux.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/frequency/ad9832.c b/drivers/staging/iio/frequency/ad9832.c
index b7c8351ce2ffc1ba4948d29c6c911b8468a1b51e..cf68159a584815aef3afdb73d24a7680ff3f8935 100644 (file)
--- a/drivers/staging/iio/frequency/ad9832.c
+++ b/drivers/staging/iio/frequency/ad9832.c
@@ -120,7 +120,7 @@ static ssize_t ad9832_write(struct device *dev, struct device_attribute *attr,
                ret = spi_sync(st->spi, &st->msg);
                break;
        case AD9832_PHASE_SYM:
-               if (val < 0 || val > 3) {
+               if (val > 3) {
                        ret = -EINVAL;
                        break;
                }