x32: fix waitid()



It needs 64bit rusage and 32bit siginfo.  glibc never calls it with
non-NULL rusage pointer, or we would've seen breakage already...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

parent 8d9807b1

kernel/compat.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -587,6 +587,10 @@ COMPAT_SYSCALL_DEFINE5(waitid,
		return ret;

		if (uru) {
		/* sys_waitid() overwrites everything in ru */
		if (COMPAT_USE_64BIT_TIME)
		ret = copy_to_user(uru, &ru, sizeof(ru));
		else
		ret = put_compat_rusage(&ru, uru);
		if (ret)
		return ret;