Module Name: src
Committed By: msaitoh
Date: Fri Nov 8 04:15:02 UTC 2019
Modified Files:
src/sys/arch/x86/x86: intr.c
Log Message:
Fix a bug that evcnt_detach() called twice when the idt vector is full.
OK'd by knakahara.
To generate a diff of this commit:
cvs rdiff -u -r1.146 -r1.147 src/sys/arch/x86/x86/intr.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/x86/x86/intr.c
diff -u src/sys/arch/x86/x86/intr.c:1.146 src/sys/arch/x86/x86/intr.c:1.147
--- src/sys/arch/x86/x86/intr.c:1.146 Mon Jun 17 06:38:30 2019
+++ src/sys/arch/x86/x86/intr.c Fri Nov 8 04:15:02 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: intr.c,v 1.146 2019/06/17 06:38:30 msaitoh Exp $ */
+/* $NetBSD: intr.c,v 1.147 2019/11/08 04:15:02 msaitoh Exp $ */
/*
* Copyright (c) 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -133,7 +133,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: intr.c,v 1.146 2019/06/17 06:38:30 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: intr.c,v 1.147 2019/11/08 04:15:02 msaitoh Exp $");
#include "opt_intrdebug.h"
#include "opt_multiprocessor.h"
@@ -475,8 +475,10 @@ intr_free_io_intrsource_direct(struct in
SIMPLEQ_REMOVE(&io_interrupt_sources, isp, intrsource, is_list);
/* Is this interrupt established? */
- if (isp->is_evname[0] != '\0')
+ if (isp->is_evname[0] != '\0') {
evcnt_detach(&isp->is_evcnt);
+ isp->is_evname[0] = '\0';
+ }
kmem_free(isp->is_saved_evcnt,
sizeof(*(isp->is_saved_evcnt)) * ncpu);
@@ -679,6 +681,7 @@ intr_allocate_slot(struct pic *pic, int
}
if (idtvec == 0) {
evcnt_detach(&ci->ci_isources[slot]->is_evcnt);
+ ci->ci_isources[slot]->is_evname[0] = '\0';
ci->ci_isources[slot] = NULL;
return EBUSY;
}
