linux_compat: move kmemdup() from ubifs.c to linux_compat.c

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.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

1 files changed, 1 insertions, 18 deletions

diff --git a/fs/ubifs/ubifs.c b/fs/ubifs/ubifs.c
index 67a0e8caae..1ffdfe0d90 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;