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-rw-r--r--fs/ecryptfs/crypto.c15
-rw-r--r--fs/ecryptfs/ecryptfs_kernel.h9
2 files changed, 8 insertions, 16 deletions
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index e5e29f8c920b..7acd57da4f14 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -42,21 +42,6 @@
#define ENCRYPT 1
/**
- * ecryptfs_to_hex
- * @dst: Buffer to take hex character representation of contents of
- * src; must be at least of size (src_size * 2)
- * @src: Buffer to be converted to a hex string representation
- * @src_size: number of bytes to convert
- */
-void ecryptfs_to_hex(char *dst, char *src, size_t src_size)
-{
- int x;
-
- for (x = 0; x < src_size; x++)
- sprintf(&dst[x * 2], "%.2x", (unsigned char)src[x]);
-}
-
-/**
* ecryptfs_from_hex
* @dst: Buffer to take the bytes from src hex; must be at least of
* size (src_size / 2)
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index 3fbc0ff79699..e74cb2a0b299 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -31,6 +31,7 @@
#include <crypto/skcipher.h>
#include <keys/user-type.h>
#include <keys/encrypted-type.h>
+#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/fs_stack.h>
#include <linux/namei.h>
@@ -51,7 +52,13 @@
#define ECRYPTFS_XATTR_NAME "user.ecryptfs"
void ecryptfs_dump_auth_tok(struct ecryptfs_auth_tok *auth_tok);
-extern void ecryptfs_to_hex(char *dst, char *src, size_t src_size);
+static inline void
+ecryptfs_to_hex(char *dst, char *src, size_t src_size)
+{
+ char *end = bin2hex(dst, src, src_size);
+ *end = '\0';
+}
+
extern void ecryptfs_from_hex(char *dst, char *src, int dst_size);
struct ecryptfs_key_record {