- int (*sys_recvfrom)(int, void *, size_t, unsigned, struct sockaddr *, int *) =
- (int (*)(int, void *, size_t, unsigned, struct sockaddr *, int *))SYS(recvfrom);
+ int (*sys_recvfrom)(int, void __user *, size_t, unsigned, struct sockaddr __user *, int __user *) =
+ (int (*)(int, void __user *, size_t, unsigned, struct sockaddr __user *, int __user *))SYS(recvfrom);