iio: Accept a leading '+' sign when parsing fixed point numbers

If we encounter a leading '+' sign just skip over it.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 7bb570b7a4af..cd700368eed0 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -437,6 +437,8 @@ static ssize_t iio_write_channel_info(struct device *dev,
         if (buf[0] == '-') {
                 negative = true;
                 buf++;
+        } else if (buf[0] == '+') {
+                buf++;
         }
 
         while (*buf) {