xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fscrypt: constify inode parameter to filename encryption functions

Browse Source 
Constify the struct inode parameter to fscrypt_fname_disk_to_usr() and
the other filename encryption functions so that users don't have to pass
in a non-const inode when they are dealing with a const one, as in [1].

[1] https://lkml.kernel.org/linux-ext4/20191203051049.44573-6-drosen@google.com/

Cc: Daniel Rosenberg <drosen@google.com>
Link: https://lore.kernel.org/r/20191215213947.9521-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
This commit is contained in:
Eric Biggers
2019-12-15 13:39:47 -08:00
parent 2a5831b1d2
commit 8a4ab0b866
3 changed files with 16 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
include/linux/fscrypt.h
View File

@@ -153,8 +153,10 @@ static inline void fscrypt_free_filename(struct fscrypt_name *fname)
extern int fscrypt_fname_alloc_buffer(const struct inode *, u32,
struct fscrypt_str *);
extern void fscrypt_fname_free_buffer(struct fscrypt_str *);
extern int fscrypt_fname_disk_to_usr(struct inode *, u32, u32,
const struct fscrypt_str *, struct fscrypt_str *);
extern int fscrypt_fname_disk_to_usr(const struct inode *inode,
u32 hash, u32 minor_hash,
const struct fscrypt_str *iname,
struct fscrypt_str *oname);
#define FSCRYPT_FNAME_MAX_UNDIGESTED_SIZE 32
@@ -438,7 +440,7 @@ static inline void fscrypt_fname_free_buffer(struct fscrypt_str *crypto_str)
return;
}
static inline int fscrypt_fname_disk_to_usr(struct inode *inode,
static inline int fscrypt_fname_disk_to_usr(const struct inode *inode,
u32 hash, u32 minor_hash,
const struct fscrypt_str *iname,
struct fscrypt_str *oname)