mdadm/SOURCES/0140-platform-intel-limit-guid-length.patch

56 lines
1.9 KiB
Diff

From 5ccd457b29809bee442749b5f66ac27ebba4a72d Mon Sep 17 00:00:00 2001
From: Kinga Tanska <kinga.tanska@intel.com>
Date: Thu, 11 May 2023 04:55:13 +0200
Subject: [PATCH 140/165] platform-intel: limit guid length
Moving GUID_STR_MAX to header to use it as
a length limitation for snprintf function.
Signed-off-by: Kinga Tanska <kinga.tanska@intel.com>
Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
---
platform-intel.c | 3 ---
platform-intel.h | 5 ++++-
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/platform-intel.c b/platform-intel.c
index eb6e1b7e..ef90c3fd 100644
--- a/platform-intel.c
+++ b/platform-intel.c
@@ -510,9 +510,6 @@ static const struct imsm_orom *find_imsm_hba_orom(struct sys_dev *hba)
return get_orom_by_device_id(hba->dev_id);
}
-#define GUID_STR_MAX 37 /* according to GUID format:
- * xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" */
-
#define EFI_GUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
((struct efi_guid) \
{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
diff --git a/platform-intel.h b/platform-intel.h
index 2c0f4e39..ba97fb04 100644
--- a/platform-intel.h
+++ b/platform-intel.h
@@ -19,6 +19,9 @@
#include <asm/types.h>
#include <strings.h>
+/* according to GUID format: "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" */
+#define GUID_STR_MAX 37
+
/* The IMSM Capability (IMSM AHCI and ISCU OROM/EFI variable) Version Table definition */
struct imsm_orom {
__u8 signature[4];
@@ -229,7 +232,7 @@ extern struct orom_entry *orom_entries;
static inline char *guid_str(char *buf, struct efi_guid guid)
{
- sprintf(buf, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ snprintf(buf, GUID_STR_MAX, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
guid.b[3], guid.b[2], guid.b[1], guid.b[0],
guid.b[5], guid.b[4], guid.b[7], guid.b[6],
guid.b[8], guid.b[9], guid.b[10], guid.b[11],
--
2.40.1