diff options
| -rw-r--r-- | net/compat.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/compat.c b/net/compat.c index 6a2f75fb3f4..e1a56ade803 100644 --- a/net/compat.c +++ b/net/compat.c @@ -758,9 +758,13 @@ asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, { int datagrams; struct timespec ktspec; - struct compat_timespec __user *utspec = - (struct compat_timespec __user *)timeout; + 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; |