From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/lib/cpu_rmap.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/kernel/lib/cpu_rmap.c b/kernel/lib/cpu_rmap.c
index f610b2a..1833ad7 100644
--- a/kernel/lib/cpu_rmap.c
+++ b/kernel/lib/cpu_rmap.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* cpu_rmap.c: CPU affinity reverse-map support
* Copyright 2011 Solarflare Communications Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation, incorporated herein by reference.
*/
#include <linux/cpu_rmap.h>
@@ -235,7 +232,8 @@
for (index = 0; index < rmap->used; index++) {
glue = rmap->obj[index];
- irq_set_affinity_notifier(glue->notify.irq, NULL);
+ if (glue)
+ irq_set_affinity_notifier(glue->notify.irq, NULL);
}
cpu_rmap_put(rmap);
@@ -258,7 +256,7 @@
rc = cpu_rmap_update(glue->rmap, glue->index, mask);
if (rc)
- pr_warning("irq_cpu_rmap_notify: update failed: %d\n", rc);
+ pr_warn("irq_cpu_rmap_notify: update failed: %d\n", rc);
}
/**
@@ -270,6 +268,7 @@
struct irq_glue *glue =
container_of(ref, struct irq_glue, notify.kref);
+ glue->rmap->obj[glue->index] = NULL;
cpu_rmap_put(glue->rmap);
kfree(glue);
}
@@ -300,6 +299,7 @@
rc = irq_set_affinity_notifier(irq, &glue->notify);
if (rc) {
cpu_rmap_put(glue->rmap);
+ rmap->obj[glue->index] = NULL;
kfree(glue);
}
return rc;
--
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