From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 9 Dec 2009 20:59:15 +0000 (+0000)
Subject: net: use compat helper functions in compat_sys_recvmmsg
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=de039f02d877af52b8d0fe77878b8343a0f99d8b;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

net: use compat helper functions in compat_sys_recvmmsg

Use (get|put)_compat_timespec helper functions to simplify the code.

Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/compat.c b/net/compat.c
index c4d9131a5872..a1fb1b079a82 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -763,15 +763,12 @@ asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
 		return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
 				      flags | MSG_CMSG_COMPAT, NULL);
 
-	if (get_user(ktspec.tv_sec, &timeout->tv_sec) ||
-	    get_user(ktspec.tv_nsec, &timeout->tv_nsec))
+	if (get_compat_timespec(&ktspec, timeout))
 		return -EFAULT;
 
 	datagrams = __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
 				   flags | MSG_CMSG_COMPAT, &ktspec);
-	if (datagrams > 0 &&
-	    (put_user(ktspec.tv_sec, &timeout->tv_sec) ||
-	     put_user(ktspec.tv_nsec, &timeout->tv_nsec)))
+	if (datagrams > 0 && put_compat_timespec(&ktspec, timeout))
 		datagrams = -EFAULT;
 
 	return datagrams;