osf_wait4: switch to kernel_wait4()

... and sanitize copying rusage to userland Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-05-14 23:54:33 -04:00
parent 4c48abe91b
commit 92ebce5ac5
3 changed files with 19 additions and 42 deletions
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1639,8 +1639,8 @@ Efault:
 	return -EFAULT;
 }

-static long kernel_wait4(pid_t upid, int __user *stat_addr,
-			int options, struct rusage *ru)
+long kernel_wait4(pid_t upid, int __user *stat_addr, int options,
+		  struct rusage *ru)
 {
 	struct wait_opts wo;
 	struct pid *pid = NULL;