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authorIngo Molnar <mingo@kernel.org>2015-01-28 15:30:32 +0100
committerIngo Molnar <mingo@kernel.org>2015-01-28 15:30:32 +0100
commit41ca5d4e9be11ea6ae040b51d9628a189fd82896 (patch)
treef9c35cc37b9622f6cccd91b94548f44b9a534029 /drivers/iio/inkern.c
parent0fcedc8631ec28ca25d3c0b116e8fa0c19dd5f6d (diff)
parent3669ef9fa7d35f573ec9c0e0341b29251c2734a7 (diff)
Merge commit 3669ef9fa7d3 ("x86, tls: Interpret an all-zero struct user_desc as 'no segment'") into x86/asm
Pick up the latestest asm fixes before advancing it any further. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/iio/inkern.c')
-rw-r--r--drivers/iio/inkern.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index 866fe904cba2..90c8cb727cc7 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -449,6 +449,9 @@ 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,