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authorTudor-Dan Ambarus <tudor.ambarus@microchip.com>2017-05-25 10:18:15 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2017-06-10 12:04:31 +0800
commit515c4d27d69acf0473157abeb21a2ae9f9328bac (patch)
treee6fcf1a7a8944dff8a1dde55da5e8dbfc7df48d4 /drivers/crypto/qat
parente198429c41edaeaf5e1e2e2ef4bb5a476d8bf399 (diff)
downloadlinux-515c4d27d69acf0473157abeb21a2ae9f9328bac.tar.bz2
crypto: qat - 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 'drivers/crypto/qat')
-rw-r--r--drivers/crypto/qat/qat_common/qat_asym_algs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_asym_algs.c b/drivers/crypto/qat/qat_common/qat_asym_algs.c
index 1d882a7cc34f..6f5dd68449c6 100644
--- a/drivers/crypto/qat/qat_common/qat_asym_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_asym_algs.c
@@ -1256,11 +1256,11 @@ static int qat_rsa_setprivkey(struct crypto_akcipher *tfm, const void *key,
return qat_rsa_setkey(tfm, key, keylen, true);
}
-static int qat_rsa_max_size(struct crypto_akcipher *tfm)
+static unsigned int qat_rsa_max_size(struct crypto_akcipher *tfm)
{
struct qat_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
- return (ctx->n) ? ctx->key_sz : -EINVAL;
+ return ctx->key_sz;
}
static int qat_rsa_init_tfm(struct crypto_akcipher *tfm)