Commit 891ff65f authored Oct 22, 2007 by Jes Sorensen Committed by Rusty Russell Oct 23, 2007

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>

parent babed5c0

drivers/lguest/hypercalls.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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");
		}

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