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authorH. Peter Anvin <hpa@zytor.com>2012-02-20 02:51:59 +0100
committerH. Peter Anvin <hpa@zytor.com>2012-02-20 21:48:48 +0100
commit644595f89620ba8446cc555be336d24a34464950 (patch)
treec5d1533e9ba7f7347c50ff9351763364c2fe6282 /net
parentcompat: Use COMPAT_USE_64BIT_TIME in net/compat.c (diff)
downloadlinux-644595f89620ba8446cc555be336d24a34464950.tar.xz
linux-644595f89620ba8446cc555be336d24a34464950.zip
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: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'net')
-rw-r--r--net/socket.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/net/socket.c b/net/socket.c
index 28a96af484b4..5325d4c797c9 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, 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;
}