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| author | Tudor-Dan Ambarus <tudor.ambarus@microchip.com> | 2017-05-25 10:18:13 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-06-10 12:04:30 +0800 |
| commit | 1c23b466e999911d3dd7af2ac0ec7bee8cc85635 (patch) | |
| tree | c9f5e762738508c51392f840b9637621325d6f3b /crypto/rsa.c | |
| parent | 561f8e2df990a7a2859a98bd208d0f7dc932c3f7 (diff) | |
| download | linux-stable-1c23b466e999911d3dd7af2ac0ec7bee8cc85635.tar.gz linux-stable-1c23b466e999911d3dd7af2ac0ec7bee8cc85635.tar.bz2 linux-stable-1c23b466e999911d3dd7af2ac0ec7bee8cc85635.zip | |
crypto: rsa - comply with crypto_akcipher_maxsize()
crypto_akcipher_maxsize() asks for the output buffer size without
caring for errors. It allways assume that will be called after
a valid setkey. Comply with it and return what he wants.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/rsa.c')
| -rw-r--r-- | crypto/rsa.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/rsa.c b/crypto/rsa.c index 4c280b6a3ea9..b067f3a93880 100644 --- a/crypto/rsa.c +++ b/crypto/rsa.c @@ -337,11 +337,11 @@ err: return -ENOMEM; } -static int rsa_max_size(struct crypto_akcipher *tfm) +static unsigned int rsa_max_size(struct crypto_akcipher *tfm) { struct rsa_mpi_key *pkey = akcipher_tfm_ctx(tfm); - return pkey->n ? mpi_get_size(pkey->n) : -EINVAL; + return mpi_get_size(pkey->n); } static void rsa_exit_tfm(struct crypto_akcipher *tfm) |