On Sat, 21 Nov 2020 17:14:55 +0100 Nuno Sá <nuno.sa@xxxxxxxxxx> wrote: > When going through the code of the buffer-cb interface and all it's > users, I realized that the stm32_adfsdm driver is calling > `iio_channel_get_all_cb()` with NULL for the cb. After going a bit > trough the stm drivers, it looks like this is actually intentional. > However, it is clear that we have a clear/direct route here for a NULL > pointer dereference. This change makes cb a required parameter of the > API. > > The first patch makes the necessary changes to the stm32_adfsdm driver > so that it does not break. Looks good to me. Will leave it a bit longer to let ASOC people take a quick look at it. Give me a poke in a few weeks if it seems like I might have lost it! Thanks, Jonathan > > Nuno Sá (1): > iio: buffer: Return error if no callback is given > > Olivier Moysan (1): > ASoC: stm32: dfsdm: add stm32_adfsdm_dummy_cb() callback > > drivers/iio/buffer/industrialio-buffer-cb.c | 5 +++++ > sound/soc/stm/stm32_adfsdm.c | 12 +++++++++++- > 2 files changed, 16 insertions(+), 1 deletion(-) >