libvirt/SOURCES/libvirt-cpu_x86-Don-t-check-return-value-of-x86ModelCopy.patch
2021-09-10 11:58:15 +00:00

75 lines
2.5 KiB
Diff

From 8a18e258633c347eb421904c63c2265ed59d61b5 Mon Sep 17 00:00:00 2001
Message-Id: <8a18e258633c347eb421904c63c2265ed59d61b5@dist-git>
From: Jiri Denemark <jdenemar@redhat.com>
Date: Tue, 26 May 2020 10:59:33 +0200
Subject: [PATCH] cpu_x86: Don't check return value of x86ModelCopy
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Thanks to glib allocation functions which abort on OOM the function
cannot ever return NULL.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
(cherry picked from commit 70f3041d39802e53a19901bee040ff33850cd5e0)
https://bugzilla.redhat.com/show_bug.cgi?id=1840010
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Message-Id: <3db9e891cf44e608a45504b120a5c276ead3ea8d.1590483392.git.jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
src/cpu/cpu_x86.c | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
diff --git a/src/cpu/cpu_x86.c b/src/cpu/cpu_x86.c
index b87e3753da..45a073c1d0 100644
--- a/src/cpu/cpu_x86.c
+++ b/src/cpu/cpu_x86.c
@@ -1287,9 +1287,6 @@ x86ModelFromCPU(const virCPUDef *cpu,
model = g_new0(virCPUx86Model, 1);
}
- if (!model)
- return NULL;
-
for (i = 0; i < cpu->nfeatures; i++) {
virCPUx86FeaturePtr feature;
virCPUFeaturePolicy fpol;
@@ -1869,9 +1866,7 @@ x86Compute(virCPUDefPtr host,
return VIR_CPU_COMPARE_INCOMPATIBLE;
}
- if (!(diff = x86ModelCopy(host_model)))
- return VIR_CPU_COMPARE_ERROR;
-
+ diff = x86ModelCopy(host_model);
x86DataSubtract(&diff->data, &cpu_optional->data);
x86DataSubtract(&diff->data, &cpu_require->data);
x86DataSubtract(&diff->data, &cpu_disable->data);
@@ -1892,8 +1887,7 @@ x86Compute(virCPUDefPtr host,
}
if (guest) {
- if (!(guest_model = x86ModelCopy(host_model)))
- return VIR_CPU_COMPARE_ERROR;
+ guest_model = x86ModelCopy(host_model);
if (cpu->vendor && host_model->vendor &&
virCPUx86DataAddItem(&guest_model->data,
@@ -3131,8 +3125,8 @@ virCPUx86ExpandFeatures(virCPUDefPtr cpu)
return -1;
}
- if (!(model = x86ModelCopy(model)) ||
- x86DataToCPUFeatures(expanded, host ? -1 : VIR_CPU_FEATURE_REQUIRE,
+ model = x86ModelCopy(model);
+ if (x86DataToCPUFeatures(expanded, host ? -1 : VIR_CPU_FEATURE_REQUIRE,
&model->data, map) < 0)
return -1;
--
2.26.2