From 1ee77870c9ea954871e4424a7b5ae260fe198b13 Mon Sep 17 00:00:00 2001
From: Richard Weinberger <richard@nod.at>
Date: Fri, 21 Oct 2016 14:03:19 +0200
Subject: [PATCH] ubifs: Constify struct inode pointer in
 ubifs_crypt_is_encrypted()

...and provide a non const variant for fscrypto

Signed-off-by: Richard Weinberger <richard@nod.at>
---
 fs/ubifs/crypto.c | 2 +-
 fs/ubifs/super.c  | 2 +-
 fs/ubifs/ubifs.h  | 7 ++++++-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/fs/ubifs/crypto.c b/fs/ubifs/crypto.c
index 12a0072bddd3..25bb2062b8a3 100644
--- a/fs/ubifs/crypto.c
+++ b/fs/ubifs/crypto.c
@@ -39,7 +39,7 @@ struct fscrypt_operations ubifs_crypt_operations = {
 	.flags			= FS_CFLG_INPLACE_ENCRYPTION,
 	.get_context		= ubifs_crypt_get_context,
 	.set_context		= ubifs_crypt_set_context,
-	.is_encrypted		= ubifs_crypt_is_encrypted,
+	.is_encrypted		= __ubifs_crypt_is_encrypted,
 	.empty_dir		= ubifs_crypt_empty_dir,
 	.max_namelen		= ubifs_crypt_max_namelen,
 	.key_prefix		= ubifs_key_prefix,
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index e85d5a47aeac..a31222947265 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -2000,7 +2000,7 @@ static struct ubifs_info *alloc_ubifs_info(struct ubi_volume_desc *ubi)
 
 #ifndef CONFIG_UBIFS_FS_ENCRYPTION
 struct fscrypt_operations ubifs_crypt_operations = {
-	.is_encrypted		= ubifs_crypt_is_encrypted,
+	.is_encrypted		= __ubifs_crypt_is_encrypted,
 };
 #endif
 
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 27a85015e3ff..74a8def1f7b7 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -1805,13 +1805,18 @@ extern struct fscrypt_operations ubifs_crypt_operations;
 #define fscrypt_fname_usr_to_disk       fscrypt_notsupp_fname_usr_to_disk
 #endif
 
-static inline bool ubifs_crypt_is_encrypted(struct inode *inode)
+static inline bool __ubifs_crypt_is_encrypted(struct inode *inode)
 {
 	struct ubifs_inode *ui = ubifs_inode(inode);
 
 	return ui->flags & UBIFS_CRYPT_FL;
 }
 
+static inline bool ubifs_crypt_is_encrypted(const struct inode *inode)
+{
+	return __ubifs_crypt_is_encrypted((struct inode *)inode);
+}
+
 /* Normal UBIFS messages */
 __printf(2, 3)
 void ubifs_msg(const struct ubifs_info *c, const char *fmt, ...);
-- 
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