strace/SOURCES/0037-kvm-avoid-bogus-vcpu_info-assignment-in-vcpu_registe.patch
2021-09-10 04:55:58 +00:00

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Diff

From 9446038e9face3313373ca5f7539476789fd4660 Mon Sep 17 00:00:00 2001
From: Eugene Syromyatnikov <evgsyr@gmail.com>
Date: Tue, 18 Dec 2018 05:37:30 +0100
Subject: [PATCH] kvm: avoid bogus vcpu_info assignment in vcpu_register
Also reformat code a bit to make nesting a bit clearer.
Reported by Clang.
* kvm.c (vcpu_register): Do not assign vcpu_alloc result to vcpu_info
as this value is not used afterwards in the function.
---
kvm.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/kvm.c b/kvm.c
index 984a75e..8bdf1cc 100644
--- a/kvm.c
+++ b/kvm.c
@@ -76,10 +76,9 @@ vcpu_register(struct tcb *const tcp, int fd, int cpuid)
struct vcpu_info *vcpu_info = vcpu_find(tcp, fd);
- if (!vcpu_info)
- vcpu_info = vcpu_alloc(tcp, fd, cpuid);
- else if (vcpu_info->cpuid != cpuid)
- {
+ if (!vcpu_info) {
+ vcpu_alloc(tcp, fd, cpuid);
+ } else if (vcpu_info->cpuid != cpuid) {
vcpu_info->cpuid = cpuid;
vcpu_info->resolved = false;
}
--
2.1.4