[PATCH 7/7] compat: Handle COMPAT_USE_64BIT_TIME in net/socket.c
From: "H. Peter Anvin" <hpa@zytor.com>
Date: 2012-02-20 02:27:40
Also in:
lkml
Subsystem:
networking [general], networking [sockets], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Kuniyuki Iwashima, Willem de Bruijn, Linus Torvalds
From: "H. Peter Anvin" <hpa@zytor.com> Use helper functions aware of COMPAT_USE_64BIT_TIME to write struct timeval and struct timespec to userspace in net/socket.c. Signed-off-by: H. Peter Anvin <hpa@zytor.com> --- net/socket.c | 18 ++++++++---------- 1 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/net/socket.c b/net/socket.c
index 28a96af..57f5a25 100644
--- a/net/socket.c
+++ b/net/socket.c@@ -2600,7 +2600,7 @@ void socket_seq_show(struct seq_file *seq) #ifdef CONFIG_COMPAT static int do_siocgstamp(struct net *net, struct socket *sock, - unsigned int cmd, struct compat_timeval __user *up) + unsigned int cmd, void __user *up) { mm_segment_t old_fs = get_fs(); struct timeval ktv;
@@ -2609,15 +2609,14 @@ static int do_siocgstamp(struct net *net, struct socket *sock, set_fs(KERNEL_DS); err = sock_do_ioctl(net, sock, cmd, (unsigned long)&ktv); set_fs(old_fs); - if (!err) { - err = put_user(ktv.tv_sec, &up->tv_sec); - err |= __put_user(ktv.tv_usec, &up->tv_usec); - } + if (!err) + err = compat_put_timeval(up, &ktv); + return err; } static int do_siocgstampns(struct net *net, struct socket *sock, - unsigned int cmd, struct compat_timespec __user *up) + unsigned int cmd, struct void __user *up) { mm_segment_t old_fs = get_fs(); struct timespec kts;
@@ -2626,10 +2625,9 @@ static int do_siocgstampns(struct net *net, struct socket *sock, set_fs(KERNEL_DS); err = sock_do_ioctl(net, sock, cmd, (unsigned long)&kts); set_fs(old_fs); - if (!err) { - err = put_user(kts.tv_sec, &up->tv_sec); - err |= __put_user(kts.tv_nsec, &up->tv_nsec); - } + if (!err) + err = compat_put_timespec(up, &kts); + return err; }
--
1.7.6.5