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| author | Eric Biggers <ebiggers@google.com> | 2019-12-16 02:51:19 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-12-20 09:58:35 +0300 |
| commit | c6d633a927499f35a06455a960ad6b5a59c87c2c (patch) | |
| tree | 3e0ac15490f96bd4e5570f8f2e3613d10caced90 /include/linux/crypto.h | |
| parent | 0e89640b640d7f726bcbf6903c78257a28e56f3c (diff) | |
| download | linux-c6d633a927499f35a06455a960ad6b5a59c87c2c.tar.xz | |
crypto: algapi - make unregistration functions return void
Some of the algorithm unregistration functions return -ENOENT when asked
to unregister a non-registered algorithm, while others always return 0
or always return void. But no users check the return value, except for
two of the bulk unregistration functions which print a message on error
but still always return 0 to their caller, and crypto_del_alg() which
calls crypto_unregister_instance() which always returns 0.
Since unregistering a non-registered algorithm is always a kernel bug
but there isn't anything callers should do to handle this situation at
runtime, let's simplify things by making all the unregistration
functions return void, and moving the error message into
crypto_unregister_alg() and upgrading it to a WARN().
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/linux/crypto.h')
| -rw-r--r-- | include/linux/crypto.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/crypto.h b/include/linux/crypto.h index c23f1eed7970..a905e524e332 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -584,9 +584,9 @@ static inline void crypto_init_wait(struct crypto_wait *wait) * Algorithm registration interface. */ int crypto_register_alg(struct crypto_alg *alg); -int crypto_unregister_alg(struct crypto_alg *alg); +void crypto_unregister_alg(struct crypto_alg *alg); int crypto_register_algs(struct crypto_alg *algs, int count); -int crypto_unregister_algs(struct crypto_alg *algs, int count); +void crypto_unregister_algs(struct crypto_alg *algs, int count); /* * Algorithm query interface. |