iio: staging: ad7298_ring: Fix maybe-uninitialized warning

commit dfffd0d65fdf16d034681716dcbea74776f62e40 upstream.

drivers/staging/iio/adc/ad7298_ring.c:97:37: warning: 'time_ns' may
be used uninitialized in this function [-Wmaybe-uninitialized]

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/drivers/staging/iio/adc/ad7298_ring.c b/drivers/staging/iio/adc/ad7298_ring.c
index 47630d5..76dad99 100644 (file)
--- a/drivers/staging/iio/adc/ad7298_ring.c
+++ b/drivers/staging/iio/adc/ad7298_ring.c
@@ -120,7 +120,7 @@ static irqreturn_t ad7298_trigger_handler(int irq, void *p)
        struct iio_dev *indio_dev = pf->indio_dev;
        struct ad7298_state *st = iio_priv(indio_dev);
        struct iio_buffer *ring = indio_dev->buffer;
-       s64 time_ns;
+       s64 time_ns = 0;
        __u16 buf[16];
        int b_sent, i;