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c56dbb469f
Convert TIPC sockets (msg, packet, stream proto_ops) to use the new getsockopt_iter callback with sockopt_t. Key changes: - Replace (char __user *optval, int __user *optlen) with sockopt_t *sopt - Use sopt->optlen for buffer length (input) and returned size (output) - Use copy_to_iter() instead of put_user()/copy_to_user() The sockopt_t parameter is named sopt to avoid collision with the existing optname parameter named opt. Note: Dropped the unnecessary parentheses to make checkpatch happier. Also dropped two now-stale comments that referred to the old "res" variable handling. Acked-by: Stanislav Fomichev <sdf@fomichev.me> Signed-off-by: Breno Leitao <leitao@debian.org> Link: https://patch.msgid.link/20260520-getsock_four-v3-6-b8c0b16b7780@debian.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>