On Mon, Mar 25, 2024 at 10:09:55PM +0000, Rui Miguel Silva wrote:
If channel for the given node is not found we return null from get_channel_from_mode. Make sure we validate the return pointer before using it in two of the missing places.
This was originally reported in [0]: Found by Linux Verification Center (linuxtesting.org) with SVACE.
[0] https://lore.kernel.org/all/20240301190425.120605-1-m.lobanov@rosalinux.ru
Fixes: 2870b52bae4c ("greybus: lights: add lights implementation") Reported-by: Mikhail Lobanov m.lobanov@rosalinux.ru Suggested-by: Mikhail Lobanov m.lobanov@rosalinux.ru Suggested-by: Alex Elder elder@ieee.org Signed-off-by: Rui Miguel Silva rmfrfs@gmail.com
v1[1] -> v2: GregKh: - remove overkill WARN_ON and replace it for a dev_err
Thanks for the quick change, now queued up.
greg k-h