On 13.03.18 18:42, Dr. Philipp Tomsich wrote:
On 13 Mar 2018, at 18:40, Jakob Unterwurzacher <jakob.unterwurzac...@theobroma-systems.com> wrote:+ /* get the urb context */ + if (WARN_ON(!context)) + return;Can this happen?Not unless there is a bug in the code. But we want to get a message before dereferencing a pointer.Why not use BUG_ON(!context)?
I believe BUG_ON kills the kernel - the intention was to get loud message, but we'd rather not crash the user's machine.
Best regards, Jakob