Bluetooth: Add RFCOMM option to use L2CAP ERTM mode

[pandora-kernel.git] / net / compat.c

diff --git a/net/compat.c b/net/compat.c
index 12728b1..e1a56ad 100644 (file)
--- a/net/compat.c
+++ b/net/compat.c
@@ -331,7 +331,7 @@ struct compat_sock_fprog {
 };
 
 static int do_set_attach_filter(struct socket *sock, int level, int optname,
-                               char __user *optval, int optlen)
+                               char __user *optval, unsigned int optlen)
 {
        struct compat_sock_fprog __user *fprog32 = (struct compat_sock_fprog __user *)optval;
        struct sock_fprog __user *kfprog = compat_alloc_user_space(sizeof(struct sock_fprog));
@@ -351,7 +351,7 @@ static int do_set_attach_filter(struct socket *sock, int level, int optname,
 }
 
 static int do_set_sock_timeout(struct socket *sock, int level,
-               int optname, char __user *optval, int optlen)
+               int optname, char __user *optval, unsigned int optlen)
 {
        struct compat_timeval __user *up = (struct compat_timeval __user *) optval;
        struct timeval ktime;
@@ -373,7 +373,7 @@ static int do_set_sock_timeout(struct socket *sock, int level,
 }
 
 static int compat_sock_setsockopt(struct socket *sock, int level, int optname,
-                               char __user *optval, int optlen)
+                               char __user *optval, unsigned int optlen)
 {
        if (optname == SO_ATTACH_FILTER)
                return do_set_attach_filter(sock, level, optname,
@@ -385,14 +385,11 @@ static int compat_sock_setsockopt(struct socket *sock, int level, int optname,
 }
 
 asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
-                               char __user *optval, int optlen)
+                               char __user *optval, unsigned int optlen)
 {
        int err;
        struct socket *sock;
 
-       if (optlen < 0)
-               return -EINVAL;
-
        if ((sock = sockfd_lookup(fd, &err))!=NULL)
        {
                err = security_socket_setsockopt(sock,level,optname);
@@ -558,8 +555,8 @@ struct compat_group_filter {
 
 
 int compat_mc_setsockopt(struct sock *sock, int level, int optname,
-       char __user *optval, int optlen,
-       int (*setsockopt)(struct sock *,int,int,char __user *,int))
+       char __user *optval, unsigned int optlen,
+       int (*setsockopt)(struct sock *,int,int,char __user *,unsigned int))
 {
        char __user     *koptval = optval;
        int             koptlen = optlen;
@@ -727,10 +724,10 @@ EXPORT_SYMBOL(compat_mc_getsockopt);
 
 /* Argument list sizes for compat_sys_socketcall */
 #define AL(x) ((x) * sizeof(u32))
-static unsigned char nas[19]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
+static unsigned char nas[20]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
                                AL(3),AL(3),AL(4),AL(4),AL(4),AL(6),
                                AL(6),AL(2),AL(5),AL(5),AL(3),AL(3),
-                               AL(4)};
+                               AL(4),AL(5)};
 #undef AL
 
 asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, unsigned flags)
@@ -755,13 +752,40 @@ 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 vlen, unsigned int flags,
+                                   struct timespec __user *timeout)
+{
+       int datagrams;
+       struct timespec ktspec;
+       struct compat_timespec __user *utspec;
+
+       if (timeout == NULL)
+               return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
+                                     flags | MSG_CMSG_COMPAT, NULL);
+
+       utspec = (struct compat_timespec __user *)timeout;
+       if (get_user(ktspec.tv_sec, &utspec->tv_sec) ||
+           get_user(ktspec.tv_nsec, &utspec->tv_nsec))
+               return -EFAULT;
+
+       datagrams = __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
+                                  flags | MSG_CMSG_COMPAT, &ktspec);
+       if (datagrams > 0 &&
+           (put_user(ktspec.tv_sec, &utspec->tv_sec) ||
+            put_user(ktspec.tv_nsec, &utspec->tv_nsec)))
+               datagrams = -EFAULT;
+
+       return datagrams;
+}
+
 asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
 {
        int ret;
        u32 a[6];
        u32 a0, a1;
 
-       if (call < SYS_SOCKET || call > SYS_ACCEPT4)
+       if (call < SYS_SOCKET || call > SYS_RECVMMSG)
                return -EINVAL;
        if (copy_from_user(a, args, nas[call]))
                return -EFAULT;
@@ -823,6 +847,10 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
        case SYS_RECVMSG:
                ret = compat_sys_recvmsg(a0, compat_ptr(a1), a[2]);
                break;
+       case SYS_RECVMMSG:
+               ret = compat_sys_recvmmsg(a0, compat_ptr(a1), a[2], a[3],
+                                         compat_ptr(a[4]));
+               break;
        case SYS_ACCEPT4:
                ret = sys_accept4(a0, compat_ptr(a1), compat_ptr(a[2]), a[3]);
                break;