From f4d987f82e64fd53ae5646d39b5174fb3cc572d2 Mon Sep 17 00:00:00 2001
From: liuchao173 <liuchao173@huawei.com>
Date: Fri, 29 Dec 2023 10:30:44 +0800
Subject: [PATCH] activate_mapping: set errsave before first jump to the error
 label

if the fopen fails, errsave is used uninitialized

Reference: https://github.com/Irqbalance/irqbalance/commit/f4d987f82e64fd53ae5646d39b5174fb3cc572d2
Conflict: NA
---
 activate.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/activate.c b/activate.c
index 4830f34..b08d4b0 100644
--- a/activate.c
+++ b/activate.c
@@ -73,6 +73,7 @@ static void activate_mapping(struct irq_info *info, void *data __attribute__((un
 
 	sprintf(buf, "/proc/irq/%i/smp_affinity", info->irq);
 	file = fopen(buf, "w");
+	errsave = errno;
 	if (!file)
 		goto error;
 
-- 
2.28.0.windows.1