Commit a566c288 authored by Al Viro's avatar Al Viro
Browse files

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: default avatarAl 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;