X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=drivers%2Fiio%2Finkern.c;h=c8bad3cf891df0f1da009eeeeb1bc4809b879eda;hb=6e49557b316e8db983a6d40d18e88ab0ba8571ef;hp=2800b80ea990a6c03dc7cbab71b06b179aeacf22;hpb=df1fad80dfa0a7644b525c4a0dd8f2be21f57358;p=mirror_ubuntu-bionic-kernel.git

diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index 2800b80ea990..c8bad3cf891d 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -452,6 +452,9 @@ static int iio_channel_read(struct iio_channel *chan, int *val, int *val2,
 	if (val2 == NULL)
 		val2 = &unused;
 
+	if(!iio_channel_has_info(chan->channel, info))
+		return -EINVAL;
+
 	if (chan->indio_dev->info->read_raw_multi) {
 		ret = chan->indio_dev->info->read_raw_multi(chan->indio_dev,
 					chan->channel, INDIO_MAX_RAW_ELEMENTS,