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Use copy_to_user() not put_user for struct timespec 

Use copy_to_user() when copying a struct timespec to the guest -
put_user() cannot handle two long's in one go on a 64bit arch.

Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jes Sorensen <jes@sgi.com>
Cc: Al Viro <viro@ftp.linux.org.uk>
This commit is contained in:
Jes Sorensen 2007-10-22 10:56:22 +10:00 committed by Rusty Russell
parent babed5c002
commit 891ff65ff5
1 changed files with 1 additions and 1 deletions
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2
drivers/lguest/hypercalls.c
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@ -295,6 +295,6 @@ void write_timestamp(struct lguest *lg)
{
struct timespec now;
ktime_get_real_ts(&now);
if (put_user(now, &lg->lguest_data->time))
if (copy_to_user(&lg->lguest_data->time, &now, sizeof(struct timespec)))
kill_guest(lg, "Writing timestamp");
}