From: Karel Zak <kzak@redhat.com>
Date: Mon, 29 Nov 2021 14:32:27 +0000 (+0100)
Subject: irqtop: don't ignore sscanf() return code [coverity scan]
X-Git-Tag: v2.38-rc1~127
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b86ed62409ea653cbb618f51755846c9f120c8c0;p=thirdparty%2Futil-linux.git

irqtop: don't ignore sscanf() return code [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/sys-utils/irq-common.c b/sys-utils/irq-common.c
index 3506753947..aa10f7e05b 100644
--- a/sys-utils/irq-common.c
+++ b/sys-utils/irq-common.c
@@ -290,7 +290,8 @@ static struct irq_stat *get_irqinfo(int softirq)
 		for (index = 0; (index < stat->nr_active_cpu) && (tmp - line < length); index++) {
 			struct irq_cpu *cpu = &stat->cpus[index];
 
-			sscanf(tmp, " %10lu", &count);
+			if (sscanf(tmp, " %10lu", &count) != 1)
+				continue;
 			curr->total += count;
 			cpu->total += count;
 			stat->total_irq += count;