[PATCH] compat_wait4 fix

[Anton Blanchard]

Hi,

sys_wait4 can return a pid and in this case we want to copy the struct
rusage out to userspace.

Anton

--- gr9/kernel/compat.c	2003-04-17 15:26:39.000000000 -0500
+++ gr9_cacheable_smp_h_2/kernel/compat.c	2003-05-28 21:29:06.000000000 -0500
@@ -362,8 +362,7 @@
 		ret = sys_wait4(pid, stat_addr ? &status : NULL, options, &r);
 		set_fs (old_fs);
 
-		if (!ret)
-		{
+		if (ret > 0) {
 			if (put_compat_rusage(ru, &r)) 
 				return -EFAULT;
 			if (stat_addr && put_user(status, stat_addr))