Re: [PATCH] ecryptfs: use kasprintf in ecryptfs_crypto_api_algify_cipher_name
Thorsten Blum <[email protected]> Wed, 3 Jun 2026 00:37:42 +0200
| Newsgroups | org.kernel.vger.ecryptfs,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Gentle ping? On Mon, May 18, 2026 at 09:38:45AM +0200, Thorsten Blum wrote: > Use kasprintf() to simplify ecryptfs_crypto_api_algify_cipher_name(). > > Use const char * for the read-only cipher name and chaining modifier > while at it. > > Signed-off-by: Thorsten Blum <[email protected]> > --- > fs/ecryptfs/crypto.c | 24 +++++++----------------- > 1 file changed, 7 insertions(+), 17 deletions(-) > > diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c > index 5ef67b2674ee..74b02b55e3f6 100644 > --- a/fs/ecryptfs/crypto.c > +++ b/fs/ecryptfs/crypto.c > @@ -49,25 +49,15 @@ void ecryptfs_from_hex(char *dst, char *src, int dst_size) > } > > static int ecryptfs_crypto_api_algify_cipher_name(char **algified_name, > - char *cipher_name, > - char *chaining_modifier) > + const char *cipher_name, > + const char *chaining_modifier) > { > - int cipher_name_len = strlen(cipher_name); > - int chaining_modifier_len = strlen(chaining_modifier); > - int algified_name_len; > - int rc; > + (*algified_name) = kasprintf(GFP_KERNEL, "%s(%s)", chaining_modifier, > + cipher_name); > + if (!(*algified_name)) > + return -ENOMEM; > > - algified_name_len = (chaining_modifier_len + cipher_name_len + 3); > - (*algified_name) = kmalloc(algified_name_len, GFP_KERNEL); > - if (!(*algified_name)) { > - rc = -ENOMEM; > - goto out; > - } > - snprintf((*algified_name), algified_name_len, "%s(%s)", > - chaining_modifier, cipher_name); > - rc = 0; > -out: > - return rc; > + return 0; > } > > /**