wait_for_completion_interruptible_timeout() returns 0 in case of timeout. Check this into account when returning from function.
Fixes: ef265c55c1ac ("ASoC: mchp-spdifrx: add driver for SPDIF RX") Signed-off-by: Claudiu Beznea claudiu.beznea@microchip.com --- sound/soc/atmel/mchp-spdifrx.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/sound/soc/atmel/mchp-spdifrx.c b/sound/soc/atmel/mchp-spdifrx.c index 2d86e0ec930f..7f359371b31b 100644 --- a/sound/soc/atmel/mchp-spdifrx.c +++ b/sound/soc/atmel/mchp-spdifrx.c @@ -524,9 +524,10 @@ static int mchp_spdifrx_cs_get(struct mchp_spdifrx_dev *dev, ret = wait_for_completion_interruptible_timeout(&ch_stat->done, msecs_to_jiffies(100)); /* IP might not be started or valid stream might not be present */ - if (ret < 0) { + if (ret <= 0) { dev_dbg(dev->dev, "channel status for channel %d timeout\n", channel); + return ret ? : -ETIMEDOUT; }
memcpy(uvalue->value.iec958.status, ch_stat->data, @@ -580,7 +581,7 @@ static int mchp_spdifrx_subcode_ch_get(struct mchp_spdifrx_dev *dev, dev_dbg(dev->dev, "user data for channel %d timeout\n", channel); mchp_spdifrx_isr_blockend_dis(dev); - return ret; + return ret ? : -ETIMEDOUT; }
spin_lock_irqsave(&user_data->lock, flags);