libvirt/SOURCES/libvirt-virPCIVPDParseVPDLargeResourceFields-Merge-logic-conditions.patch

66 lines
2.7 KiB
Diff

From 9f0e2b76c89b692aa935c76f9d21012c50e4575d Mon Sep 17 00:00:00 2001
Message-ID: <9f0e2b76c89b692aa935c76f9d21012c50e4575d.1707394627.git.jdenemar@redhat.com>
From: Peter Krempa <pkrempa@redhat.com>
Date: Tue, 30 Jan 2024 15:02:39 +0100
Subject: [PATCH] virPCIVPDParseVPDLargeResourceFields: Merge logic conditions
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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Merge the pre-checks with the 'switch' statement which is operating on
the same values to simplify further refactoring.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
(cherry picked from commit 037803a949cfe60c03824482f889cc315bb7b788)
https://issues.redhat.com/browse/RHEL-22314 [9.4.0]
---
src/util/virpcivpd.c | 24 ++++++++++++++----------
1 file changed, 14 insertions(+), 10 deletions(-)
diff --git a/src/util/virpcivpd.c b/src/util/virpcivpd.c
index ddd79fa8bc..ba05014e40 100644
--- a/src/util/virpcivpd.c
+++ b/src/util/virpcivpd.c
@@ -438,23 +438,27 @@ virPCIVPDParseVPDLargeResourceFields(int vpdFileFd, uint16_t resPos, uint16_t re
fieldKeyword = g_strndup((char *)buf, 2);
fieldFormat = virPCIVPDResourceGetFieldValueFormat(fieldKeyword);
- /* Handle special cases first */
- if (!readOnly && fieldFormat == VIR_PCI_VPD_RESOURCE_FIELD_VALUE_FORMAT_RESVD) {
- VIR_INFO("Unexpected RV keyword in the read-write section.");
- return false;
- } else if (readOnly && fieldFormat == VIR_PCI_VPD_RESOURCE_FIELD_VALUE_FORMAT_RDWR) {
- VIR_INFO("Unexpected RW keyword in the read-only section.");
- return false;
- }
-
/* Determine how many bytes to read per field value type. */
switch (fieldFormat) {
case VIR_PCI_VPD_RESOURCE_FIELD_VALUE_FORMAT_TEXT:
- case VIR_PCI_VPD_RESOURCE_FIELD_VALUE_FORMAT_RDWR:
case VIR_PCI_VPD_RESOURCE_FIELD_VALUE_FORMAT_BINARY:
bytesToRead = fieldDataLen;
break;
+
+ case VIR_PCI_VPD_RESOURCE_FIELD_VALUE_FORMAT_RDWR:
+ if (readOnly) {
+ VIR_INFO("Unexpected RW keyword in the read-only section.");
+ return false;
+ }
+
+ bytesToRead = fieldDataLen;
+ break;
+
case VIR_PCI_VPD_RESOURCE_FIELD_VALUE_FORMAT_RESVD:
+ if (!readOnly) {
+ VIR_INFO("Unexpected RV keyword in the read-write section.");
+ return false;
+ }
/* Only need one byte to be read and accounted towards
* the checksum calculation. */
bytesToRead = 1;
--
2.43.0