libvirt/SOURCES/libvirt-virPCIVPDParseVPDLargeResourceString-Properly-report-errors.patch

76 lines
3.1 KiB
Diff

From 135355109036f6c4e25df72de7d4fa3dc4ab40c1 Mon Sep 17 00:00:00 2001
Message-ID: <135355109036f6c4e25df72de7d4fa3dc4ab40c1.1707394627.git.jdenemar@redhat.com>
From: Peter Krempa <pkrempa@redhat.com>
Date: Mon, 29 Jan 2024 23:42:22 +0100
Subject: [PATCH] virPCIVPDParseVPDLargeResourceString: Properly report errors
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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Replace VIR_INFO being used as form of error reporting with proper
virReportError and the usual return values.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
(cherry picked from commit aa5e3cc44934d154714610104623f19f9f6d8bfe)
https://issues.redhat.com/browse/RHEL-22314 [9.4.0]
---
src/util/virpcivpd.c | 21 ++++++++++++---------
1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/src/util/virpcivpd.c b/src/util/virpcivpd.c
index 10cabff0b9..ddd79fa8bc 100644
--- a/src/util/virpcivpd.c
+++ b/src/util/virpcivpd.c
@@ -557,10 +557,9 @@ virPCIVPDParseVPDLargeResourceFields(int vpdFileFd, uint16_t resPos, uint16_t re
* @resDataLen: A length of the data portion of a resource.
* @csum: A pointer to a 1-byte checksum.
*
- * Returns: a pointer to a VPDResource which needs to be freed by the caller or
- * NULL if getting it failed for some reason.
+ * Returns: 0 on success -1 and an error on failure
*/
-static bool
+static int
virPCIVPDParseVPDLargeResourceString(int vpdFileFd, uint16_t resPos,
uint16_t resDataLen, uint8_t *csum, virPCIVPDResource *res)
{
@@ -570,15 +569,16 @@ virPCIVPDParseVPDLargeResourceString(int vpdFileFd, uint16_t resPos,
g_autofree char *buf = g_malloc0(resDataLen + 1);
if (virPCIVPDReadVPDBytes(vpdFileFd, (uint8_t *)buf, resDataLen, resPos, csum) < 0)
- return false;
+ return -1;
resValue = g_strdup(g_strstrip(buf));
if (!virPCIVPDResourceIsValidTextValue(resValue)) {
- VIR_INFO("The string resource has invalid characters in its value");
- return false;
+ virReportError(VIR_ERR_OPERATION_FAILED, "%s",
+ _("failed to parse PCI VPD string value with invalid characters"));
+ return -1;
}
res->name = g_steal_pointer(&resValue);
- return true;
+ return 0;
}
/**
@@ -652,8 +652,11 @@ virPCIVPDParse(int vpdFileFd)
switch (tag) {
/* Large resource type which is also a string: 0x80 | 0x02 = 0x82 */
case PCI_VPD_LARGE_RESOURCE_FLAG | PCI_VPD_STRING_RESOURCE_FLAG:
- isWellFormed = virPCIVPDParseVPDLargeResourceString(vpdFileFd, resPos, resDataLen,
- &csum, res);
+ if (virPCIVPDParseVPDLargeResourceString(vpdFileFd, resPos, resDataLen,
+ &csum, res) < 0)
+ return NULL;
+
+ isWellFormed = true;
break;
/* Large resource type which is also a VPD-R: 0x80 | 0x10 == 0x90 */
case PCI_VPD_LARGE_RESOURCE_FLAG | PCI_VPD_READ_ONLY_LARGE_RESOURCE_FLAG:
--
2.43.0