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 8392c83764993852a15a9acc1eb1a99be2dfb94a..588b43c606fe3f83f504009b824182e1bc8f0927 100644 (file)
--- 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;
                }