aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--net/compat.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/compat.c b/net/compat.c
index 6a2f75fb3f45..e1a56ade803b 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;