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compat: Handle COMPAT_USE_64BIT_TIME in net/socket.c

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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>
This commit is contained in:
H. Peter Anvin 2012-02-19 17:51:59 -08:00
parent ee4fa23c4b
commit 644595f896
1 changed files with 8 additions and 10 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

18
net/socket.c
View file

@ -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, 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;
}