On Fri, Jun 05, 2026 at 05:13:25AM -0700, Breno Leitao wrote: > Convert SMC socket's getsockopt implementation to use the new > getsockopt_iter callback with sockopt_t. > > Key changes: > - Replace (char __user *optval, int __user *optlen) with sockopt_t *opt > - Use opt->optlen for buffer length (input) and returned size (output) > - Use copy_to_iter() instead of put_user()/copy_to_user() > - Add linux/uio.h for copy_to_iter() > > SMC is a proxy socket: only the SOL_SMC level is handled locally, while > all other levels are forwarded to the underlying CLC (TCP) socket. That > socket's getsockopt() still operates on __user buffers, so the > pass-through is limited to user-backed iters: optval is reconstructed > from iter_out, the original optlen pointer (preserved in sockopt_t) is > forwarded, and the length reported by the clcsock is mirrored back into > opt->optlen so the core writes the correct value to userspace. > > Signed-off-by: Breno Leitao <[email protected]>
Damn, this is not building. let me send a fixed version (v2). -- pw-bot: cr
