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From: Edward Tomasz Napierala <trasz@FreeBSD.org>
Date: Mon, 5 Oct 2020 18:41:35 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r366454 - head/sys/riscv/riscv
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Author: trasz
Date: Mon Oct  5 18:41:35 2020
New Revision: 366454
URL: https://svnweb.freebsd.org/changeset/base/366454

Log:
  Drop useless assignment, and add a KASSERT to make sure it really was useless.
  
  Reviewed by:	nick, jhb
  Sponsored by:	DARPA
  Differential Revision:	https://reviews.freebsd.org/D26649

Modified:
  head/sys/riscv/riscv/trap.c

Modified: head/sys/riscv/riscv/trap.c
==============================================================================
--- head/sys/riscv/riscv/trap.c	Mon Oct  5 18:17:50 2020	(r366453)
+++ head/sys/riscv/riscv/trap.c	Mon Oct  5 18:41:35 2020	(r366454)
@@ -163,7 +163,9 @@ svc_handler(struct trapframe *frame)
 	struct thread *td;
 
 	td = curthread;
-	td->td_frame = frame;
+
+	KASSERT(td->td_frame == frame,
+	    ("%s: td_frame %p != frame %p", __func__, td->td_frame, frame));
 
 	syscallenter(td);
 	syscallret(td);