nfsd: track last inode only in use_wgather case

[safe/jmp/linux-2.6] / net / compat.c

diff --git a/net/compat.c b/net/compat.c
index c823f6f..8d73905 100644 (file)
--- a/net/compat.c
+++ b/net/compat.c
@@ -75,7 +75,7 @@ int get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg)
 
 /* I've named the args so it is easy to tell whose space the pointers are in. */
 int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
-                  char *kern_address, int mode)
+                  struct sockaddr *kern_address, int mode)
 {
        int tot_len;
 
@@ -216,7 +216,7 @@ Efault:
 int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *data)
 {
        struct compat_timeval ctv;
-       struct compat_timespec cts;
+       struct compat_timespec cts[3];
        struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control;
        struct compat_cmsghdr cmhdr;
        int cmlen;
@@ -226,19 +226,24 @@ int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *dat
                return 0; /* XXX: return error? check spec. */
        }
 
-       if (level == SOL_SOCKET && type == SO_TIMESTAMP) {
+       if (level == SOL_SOCKET && type == SCM_TIMESTAMP) {
                struct timeval *tv = (struct timeval *)data;
                ctv.tv_sec = tv->tv_sec;
                ctv.tv_usec = tv->tv_usec;
                data = &ctv;
                len = sizeof(ctv);
        }
-       if (level == SOL_SOCKET && type == SO_TIMESTAMPNS) {
+       if (level == SOL_SOCKET &&
+           (type == SCM_TIMESTAMPNS || type == SCM_TIMESTAMPING)) {
+               int count = type == SCM_TIMESTAMPNS ? 1 : 3;
+               int i;
                struct timespec *ts = (struct timespec *)data;
-               cts.tv_sec = ts->tv_sec;
-               cts.tv_nsec = ts->tv_nsec;
+               for (i = 0; i < count; i++) {
+                       cts[i].tv_sec = ts[i].tv_sec;
+                       cts[i].tv_nsec = ts[i].tv_nsec;
+               }
                data = &cts;
-               len = sizeof(cts);
+               len = sizeof(cts[0]) * count;
        }
 
        cmlen = CMSG_COMPAT_LEN(len);
@@ -455,7 +460,7 @@ int compat_sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp)
        struct timeval tv;
 
        if (!sock_flag(sk, SOCK_TIMESTAMP))
-               sock_enable_timestamp(sk);
+               sock_enable_timestamp(sk, SOCK_TIMESTAMP);
        tv = ktime_to_timeval(sk->sk_stamp);
        if (tv.tv_sec == -1)
                return err;
@@ -479,7 +484,7 @@ int compat_sock_get_timestampns(struct sock *sk, struct timespec __user *usersta
        struct timespec ts;
 
        if (!sock_flag(sk, SOCK_TIMESTAMP))
-               sock_enable_timestamp(sk);
+               sock_enable_timestamp(sk, SOCK_TIMESTAMP);
        ts = ktime_to_timespec(sk->sk_stamp);
        if (ts.tv_sec == -1)
                return err;
@@ -722,9 +727,10 @@ EXPORT_SYMBOL(compat_mc_getsockopt);
 
 /* Argument list sizes for compat_sys_socketcall */
 #define AL(x) ((x) * sizeof(u32))
-static unsigned char nas[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
+static unsigned char nas[19]={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(6),AL(2),AL(5),AL(5),AL(3),AL(3),
+                               AL(4)};
 #undef AL
 
 asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, unsigned flags)
@@ -743,7 +749,7 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
        u32 a[6];
        u32 a0, a1;
 
-       if (call < SYS_SOCKET || call > SYS_RECVMSG)
+       if (call < SYS_SOCKET || call > SYS_ACCEPT4)
                return -EINVAL;
        if (copy_from_user(a, args, nas[call]))
                return -EFAULT;
@@ -764,7 +770,7 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
                ret = sys_listen(a0, a1);
                break;
        case SYS_ACCEPT:
-               ret = sys_accept(a0, compat_ptr(a1), compat_ptr(a[2]));
+               ret = sys_accept4(a0, compat_ptr(a1), compat_ptr(a[2]), 0);
                break;
        case SYS_GETSOCKNAME:
                ret = sys_getsockname(a0, compat_ptr(a1), compat_ptr(a[2]));
@@ -804,6 +810,9 @@ 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_ACCEPT4:
+               ret = sys_accept4(a0, compat_ptr(a1), compat_ptr(a[2]), a[3]);
+               break;
        default:
                ret = -EINVAL;
                break;