From: kib <kib@FreeBSD.org>
Date: Tue, 20 Oct 2015 20:12:42 +0000 (+0000)
Subject: No need to dereference struct proc to pids when comparing processes
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=f8f03021517d1601d80a92e9ddcc7c0103f9d912;p=people%2Fjulieng%2Ffreebsd.git

No need to dereference struct proc to pids when comparing processes
for equality.

Reviewed by:	jhb, pho
Tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	2 weeks
---

diff --git a/sys/kern/sys_process.c b/sys/kern/sys_process.c
index 8392c8376499..588b43c606fe 100644
--- a/sys/kern/sys_process.c
+++ b/sys/kern/sys_process.c
@@ -749,7 +749,7 @@ kern_ptrace(struct thread *td, int req, pid_t pid, void *addr, int data)
 
 	case PT_ATTACH:
 		/* Self */
-		if (p->p_pid == td->td_proc->p_pid) {
+		if (p == td->td_proc) {
 			error = EINVAL;
 			goto fail;
 		}