X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=net%2Fcompat.c;h=e1a56ade803b09b48e047e24192a3649ed0348d5;hp=a407c3addbae432913a20dce2560d2bab1d248f2;hb=eae38eede2e5f70d65f09327297bd698b0d3ea7e;hpb=817b33d38f81c8736d39283c35c886ae4668f1af

diff --git a/net/compat.c b/net/compat.c
index a407c3addbae..e1a56ade803b 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -390,9 +390,6 @@ asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
 	int err;
 	struct socket *sock;
 
-	if (optlen < 0)
-		return -EINVAL;
-
 	if ((sock = sockfd_lookup(fd, &err))!=NULL)
 	{
 		err = security_socket_setsockopt(sock,level,optname);
@@ -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;