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File 0001-kern-mm.c-Make-grub_calloc-inline.patch of Package grub2

From c2475f1337dff2e2a3e45514119d5186e55753c1 Mon Sep 17 00:00:00 2001
From: Michael Chang <mchang@suse.com>
Date: Thu, 13 Aug 2020 09:36:45 +0800
Subject: [PATCH] kern/mm.c : Make grub_calloc inline

To circumvent the situation that symbol 'grub_calloc' not found would
happen if system is using stray grub (ie not managed by system update)
as stage1 that can be too old to load updated modules.
---
 grub-core/kern/mm.c | 28 ----------------------------
 include/grub/mm.h   | 32 +++++++++++++++++++++++++++++++-
 2 files changed, 31 insertions(+), 29 deletions(-)

diff --git a/grub-core/kern/mm.c b/grub-core/kern/mm.c
index f2822a836..dacdaa239 100644
--- a/grub-core/kern/mm.c
+++ b/grub-core/kern/mm.c
@@ -60,14 +60,10 @@
 
 #include <config.h>
 #include <grub/mm.h>
-#include <grub/misc.h>
-#include <grub/err.h>
 #include <grub/types.h>
 #include <grub/disk.h>
 #include <grub/dl.h>
-#include <grub/i18n.h>
 #include <grub/mm_private.h>
-#include <grub/safemath.h>
 
 #ifdef MM_DEBUG
 # undef grub_calloc
@@ -377,30 +373,6 @@ grub_memalign (grub_size_t align, grub_size_t size)
   return 0;
 }
 
-/*
- * Allocate NMEMB instances of SIZE bytes and return the pointer, or error on
- * integer overflow.
- */
-void *
-grub_calloc (grub_size_t nmemb, grub_size_t size)
-{
-  void *ret;
-  grub_size_t sz = 0;
-
-  if (grub_mul (nmemb, size, &sz))
-    {
-      grub_error (GRUB_ERR_OUT_OF_RANGE, N_("overflow is detected"));
-      return NULL;
-    }
-
-  ret = grub_memalign (0, sz);
-  if (!ret)
-    return NULL;
-
-  grub_memset (ret, 0, sz);
-  return ret;
-}
-
 /* Allocate SIZE bytes and return the pointer.  */
 void *
 grub_malloc (grub_size_t size)
diff --git a/include/grub/mm.h b/include/grub/mm.h
index 9c38dd3ca..1754635e7 100644
--- a/include/grub/mm.h
+++ b/include/grub/mm.h
@@ -29,7 +29,6 @@
 #endif
 
 void grub_mm_init_region (void *addr, grub_size_t size);
-void *EXPORT_FUNC(grub_calloc) (grub_size_t nmemb, grub_size_t size);
 void *EXPORT_FUNC(grub_malloc) (grub_size_t size);
 void *EXPORT_FUNC(grub_zalloc) (grub_size_t size);
 void EXPORT_FUNC(grub_free) (void *ptr);
@@ -37,6 +36,37 @@ void *EXPORT_FUNC(grub_realloc) (void *ptr, grub_size_t size);
 #ifndef GRUB_MACHINE_EMU
 void *EXPORT_FUNC(grub_memalign) (grub_size_t align, grub_size_t size);
 #endif
+#if !defined(GRUB_UTIL) && !defined (GRUB_MACHINE_EMU)
+#include <grub/misc.h>
+#include <grub/err.h>
+#include <grub/i18n.h>
+#include <grub/safemath.h>
+/*
+ * Allocate NMEMB instances of SIZE bytes and return the pointer, or error on
+ * integer overflow.
+ */
+static inline void *
+grub_calloc (grub_size_t nmemb, grub_size_t size)
+{
+  void *ret;
+  grub_size_t sz = 0;
+
+  if (grub_mul (nmemb, size, &sz))
+    {
+      grub_error (GRUB_ERR_OUT_OF_RANGE, N_("overflow is detected"));
+      return NULL;
+    }
+
+  ret = grub_memalign (0, sz);
+  if (!ret)
+    return NULL;
+
+  grub_memset (ret, 0, sz);
+  return ret;
+}
+#else
+void *EXPORT_FUNC(grub_calloc) (grub_size_t nmemb, grub_size_t size);
+#endif
 
 void grub_mm_check_real (const char *file, int line);
 #define grub_mm_check() grub_mm_check_real (GRUB_FILE, __LINE__);
-- 
2.26.2
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