Hi Jens, with clang-10 I see this new warning in my build-log: fs/io_uring.c:5958:2: warning: variable 'ret' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized] default: ^~~~~~~ fs/io_uring.c:5972:27: note: uninitialized use occurs here io_cqring_add_event(req, ret); ^~~ fs/io_uring.c:5944:13: note: initialize the variable 'ret' to silence this warning ssize_t ret; ^ = 0 1 warning generated. Thanks. Regards, - Sedat -