diff options
Diffstat (limited to 'net/compat.c')
| -rw-r--r-- | net/compat.c | 65 |
1 files changed, 40 insertions, 25 deletions
diff --git a/net/compat.c b/net/compat.c index 64b4515a64e6..e055708b8ec9 100644 --- a/net/compat.c +++ b/net/compat.c | |||
| @@ -219,8 +219,6 @@ Efault: | |||
| 219 | 219 | ||
| 220 | int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *data) | 220 | int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *data) |
| 221 | { | 221 | { |
| 222 | struct compat_timeval ctv; | ||
| 223 | struct compat_timespec cts[3]; | ||
| 224 | struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control; | 222 | struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control; |
| 225 | struct compat_cmsghdr cmhdr; | 223 | struct compat_cmsghdr cmhdr; |
| 226 | int cmlen; | 224 | int cmlen; |
| @@ -230,24 +228,28 @@ int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *dat | |||
| 230 | return 0; /* XXX: return error? check spec. */ | 228 | return 0; /* XXX: return error? check spec. */ |
| 231 | } | 229 | } |
| 232 | 230 | ||
| 233 | if (level == SOL_SOCKET && type == SCM_TIMESTAMP) { | 231 | if (!COMPAT_USE_64BIT_TIME) { |
| 234 | struct timeval *tv = (struct timeval *)data; | 232 | struct compat_timeval ctv; |
| 235 | ctv.tv_sec = tv->tv_sec; | 233 | struct compat_timespec cts[3]; |
| 236 | ctv.tv_usec = tv->tv_usec; | 234 | if (level == SOL_SOCKET && type == SCM_TIMESTAMP) { |
| 237 | data = &ctv; | 235 | struct timeval *tv = (struct timeval *)data; |
| 238 | len = sizeof(ctv); | 236 | ctv.tv_sec = tv->tv_sec; |
| 239 | } | 237 | ctv.tv_usec = tv->tv_usec; |
| 240 | if (level == SOL_SOCKET && | 238 | data = &ctv; |
| 241 | (type == SCM_TIMESTAMPNS || type == SCM_TIMESTAMPING)) { | 239 | len = sizeof(ctv); |
| 242 | int count = type == SCM_TIMESTAMPNS ? 1 : 3; | 240 | } |
| 243 | int i; | 241 | if (level == SOL_SOCKET && |
| 244 | struct timespec *ts = (struct timespec *)data; | 242 | (type == SCM_TIMESTAMPNS || type == SCM_TIMESTAMPING)) { |
| 245 | for (i = 0; i < count; i++) { | 243 | int count = type == SCM_TIMESTAMPNS ? 1 : 3; |
| 246 | cts[i].tv_sec = ts[i].tv_sec; | 244 | int i; |
| 247 | cts[i].tv_nsec = ts[i].tv_nsec; | 245 | struct timespec *ts = (struct timespec *)data; |
| 246 | for (i = 0; i < count; i++) { | ||
| 247 | cts[i].tv_sec = ts[i].tv_sec; | ||
| 248 | cts[i].tv_nsec = ts[i].tv_nsec; | ||
| 249 | } | ||
| 250 | data = &cts; | ||
| 251 | len = sizeof(cts[0]) * count; | ||
| 248 | } | 252 | } |
| 249 | data = &cts; | ||
| 250 | len = sizeof(cts[0]) * count; | ||
| 251 | } | 253 | } |
| 252 | 254 | ||
| 253 | cmlen = CMSG_COMPAT_LEN(len); | 255 | cmlen = CMSG_COMPAT_LEN(len); |
| @@ -454,11 +456,15 @@ static int compat_sock_getsockopt(struct socket *sock, int level, int optname, | |||
| 454 | 456 | ||
| 455 | int compat_sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp) | 457 | int compat_sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp) |
| 456 | { | 458 | { |
| 457 | struct compat_timeval __user *ctv = | 459 | struct compat_timeval __user *ctv; |
| 458 | (struct compat_timeval __user *) userstamp; | 460 | int err; |
| 459 | int err = -ENOENT; | ||
| 460 | struct timeval tv; | 461 | struct timeval tv; |
| 461 | 462 | ||
| 463 | if (COMPAT_USE_64BIT_TIME) | ||
| 464 | return sock_get_timestamp(sk, userstamp); | ||
| 465 | |||
| 466 | ctv = (struct compat_timeval __user *) userstamp; | ||
| 467 | err = -ENOENT; | ||
| 462 | if (!sock_flag(sk, SOCK_TIMESTAMP)) | 468 | if (!sock_flag(sk, SOCK_TIMESTAMP)) |
| 463 | sock_enable_timestamp(sk, SOCK_TIMESTAMP); | 469 | sock_enable_timestamp(sk, SOCK_TIMESTAMP); |
| 464 | tv = ktime_to_timeval(sk->sk_stamp); | 470 | tv = ktime_to_timeval(sk->sk_stamp); |
| @@ -478,11 +484,15 @@ EXPORT_SYMBOL(compat_sock_get_timestamp); | |||
| 478 | 484 | ||
| 479 | int compat_sock_get_timestampns(struct sock *sk, struct timespec __user *userstamp) | 485 | int compat_sock_get_timestampns(struct sock *sk, struct timespec __user *userstamp) |
| 480 | { | 486 | { |
| 481 | struct compat_timespec __user *ctv = | 487 | struct compat_timespec __user *ctv; |
| 482 | (struct compat_timespec __user *) userstamp; | 488 | int err; |
| 483 | int err = -ENOENT; | ||
| 484 | struct timespec ts; | 489 | struct timespec ts; |
| 485 | 490 | ||
| 491 | if (COMPAT_USE_64BIT_TIME) | ||
| 492 | return sock_get_timestampns (sk, userstamp); | ||
| 493 | |||
| 494 | ctv = (struct compat_timespec __user *) userstamp; | ||
| 495 | err = -ENOENT; | ||
| 486 | if (!sock_flag(sk, SOCK_TIMESTAMP)) | 496 | if (!sock_flag(sk, SOCK_TIMESTAMP)) |
| 487 | sock_enable_timestamp(sk, SOCK_TIMESTAMP); | 497 | sock_enable_timestamp(sk, SOCK_TIMESTAMP); |
| 488 | ts = ktime_to_timespec(sk->sk_stamp); | 498 | ts = ktime_to_timespec(sk->sk_stamp); |
| @@ -767,6 +777,11 @@ asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, | |||
| 767 | int datagrams; | 777 | int datagrams; |
| 768 | struct timespec ktspec; | 778 | struct timespec ktspec; |
| 769 | 779 | ||
| 780 | if (COMPAT_USE_64BIT_TIME) | ||
| 781 | return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen, | ||
| 782 | flags | MSG_CMSG_COMPAT, | ||
| 783 | (struct timespec *) timeout); | ||
| 784 | |||
| 770 | if (timeout == NULL) | 785 | if (timeout == NULL) |
| 771 | return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen, | 786 | return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen, |
| 772 | flags | MSG_CMSG_COMPAT, NULL); | 787 | flags | MSG_CMSG_COMPAT, NULL); |
