linux_compat.c is the best place for kmemdup(), which is currenly used
only in ubifs.c, but will also be used when other kernel files
(in my case, lib/crypto/x509_cert_parser.c and pkcs7_parser.c) will be
imported. So just move it.
Signed-off-by: AKASHI Takahiro <takahiro.aka...@linaro.org>
---
fs/ubifs/ubifs.c | 19 +------------------
lib/linux_compat.c | 17 +++++++++++++++++
2 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/fs/ubifs/ubifs.c b/fs/ubifs/ubifs.c
index 67a0e8caae70..1ffdfe0d9089 100644
--- a/fs/ubifs/ubifs.c
+++ b/fs/ubifs/ubifs.c
@@ -18,6 +18,7 @@
#include "ubifs.h"
#include <u-boot/zlib.h>
+#include <linux/compat.h>
#include <linux/err.h>
#include <linux/lzo.h>
@@ -70,24 +71,6 @@ struct ubifs_compressor
*ubifs_compressors[UBIFS_COMPR_TYPES_CNT];
#ifdef __UBOOT__
-/* from mm/util.c */
-
-/**
- * kmemdup - duplicate region of memory
- *
- * @src: memory region to duplicate
- * @len: memory region length
- * @gfp: GFP mask to use
- */
-void *kmemdup(const void *src, size_t len, gfp_t gfp)
-{
- void *p;
-
- p = kmalloc(len, gfp);
- if (p)
- memcpy(p, src, len);
- return p;
-}
struct crypto_comp {
int compressor;
diff --git a/lib/linux_compat.c b/lib/linux_compat.c
index 6373b4451eb3..1f8ef4266613 100644
--- a/lib/linux_compat.c
+++ b/lib/linux_compat.c
@@ -40,3 +40,20 @@ void *kmem_cache_alloc(struct kmem_cache *obj, int flag)
{
return malloc_cache_aligned(obj->sz);
}
+
+/**
+ * kmemdup - duplicate region of memory
+ *
+ * @src: memory region to duplicate
+ * @len: memory region length
+ * @gfp: GFP mask to use
+ */
+void *kmemdup(const void *src, size_t len, gfp_t gfp)
+{
+ void *p;
+
+ p = kmalloc(len, gfp);
+ if (p)
+ memcpy(p, src, len);
+ return p;
+}
--
2.21.0
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