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Commit 644595f8 authored by H. Peter Anvin's avatar H. Peter Anvin
Browse files

compat: Handle COMPAT_USE_64BIT_TIME in net/socket.c 



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: default avatarH. Peter Anvin <hpa@zytor.com>
parent ee4fa23c

net/socket.c

+8 −10
Original line number Diff line number Diff line
@@ -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;

}