net/compat: convert to COMPAT_SYSCALL_DEFINE

Convert all compat system call functions where all parameter types
have a size of four or less than four bytes, or are pointer types
to COMPAT_SYSCALL_DEFINE.
The implicit casts within COMPAT_SYSCALL_DEFINE will perform proper
zero and sign extension to 64 bit of all parameters if needed.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

diff --git a/net/compat.c b/net/compat.c
index f50161fb812eace2eb659ae78bf12062c608b5b6..706b78be9a23aa619e54881f8b78d540027e9b8e 100644 (file)
--- a/net/compat.c
+++ b/net/compat.c
@@ -384,8 +384,8 @@ static int compat_sock_setsockopt(struct socket *sock, int level, int optname,
        return sock_setsockopt(sock, level, optname, optval, optlen);
 }
 
-asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
-                               char __user *optval, unsigned int optlen)
+COMPAT_SYSCALL_DEFINE5(setsockopt, int, fd, int, level, int, optname,
+                      char __user *, optval, unsigned int, optlen)
 {
        int err;
        struct socket *sock = sockfd_lookup(fd, &err);
@@ -504,8 +504,8 @@ int compat_sock_get_timestampns(struct sock *sk, struct timespec __user *usersta
 }
 EXPORT_SYMBOL(compat_sock_get_timestampns);
 
-asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
-                               char __user *optval, int __user *optlen)
+COMPAT_SYSCALL_DEFINE5(getsockopt, int, fd, int, level, int, optname,
+                      char __user *, optval, int __user *, optlen)
 {
        int err;
        struct socket *sock = sockfd_lookup(fd, &err);
@@ -735,15 +735,15 @@ static unsigned char nas[21] = {
 };
 #undef AL
 
-asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, unsigned int flags)
+COMPAT_SYSCALL_DEFINE3(sendmsg, int, fd, struct compat_msghdr __user *, msg, unsigned int, flags)
 {
        if (flags & MSG_CMSG_COMPAT)
                return -EINVAL;
        return __sys_sendmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
 }
 
-asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
-                                   unsigned int vlen, unsigned int flags)
+COMPAT_SYSCALL_DEFINE4(sendmmsg, int, fd, struct compat_mmsghdr __user *, mmsg,
+                      unsigned int, vlen, unsigned int, flags)
 {
        if (flags & MSG_CMSG_COMPAT)
                return -EINVAL;
@@ -751,7 +751,7 @@ asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
                              flags | MSG_CMSG_COMPAT);
 }
 
-asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, unsigned int flags)
+COMPAT_SYSCALL_DEFINE3(recvmsg, int, fd, struct compat_msghdr __user *, msg, unsigned int, flags)
 {
        if (flags & MSG_CMSG_COMPAT)
                return -EINVAL;
@@ -770,9 +770,9 @@ asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len,
        return sys_recvfrom(fd, buf, len, flags | MSG_CMSG_COMPAT, addr, addrlen);
 }
 
-asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
-                                   unsigned int vlen, unsigned int flags,
-                                   struct compat_timespec __user *timeout)
+COMPAT_SYSCALL_DEFINE5(recvmmsg, int, fd, struct compat_mmsghdr __user *, mmsg,
+                      unsigned int, vlen, unsigned int, flags,
+                      struct compat_timespec __user *, timeout)
 {
        int datagrams;
        struct timespec ktspec;
@@ -795,7 +795,7 @@ asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
        return datagrams;
 }
 
-asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
+COMPAT_SYSCALL_DEFINE2(socketcall, int, call, u32 __user *, args)
 {
        int ret;
        u32 a[6];