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| author | Sergey Senozhatsky <sergey.senozhatsky@gmail.com> | 2015-06-10 22:27:48 +0900 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-06-11 21:55:28 +0800 |
| commit | 593dfbd9ca7d8d6f9a01020426b680b78b86bdb2 (patch) | |
| tree | 7f4854cfa732851778802991e6e1fb76906e71be /crypto/drbg.c | |
| parent | 42ea507fae1ac4b4af0d9d715ab56fa4de2a0341 (diff) | |
| download | lwn-593dfbd9ca7d8d6f9a01020426b680b78b86bdb2.tar.gz lwn-593dfbd9ca7d8d6f9a01020426b680b78b86bdb2.zip | |
crypto: drbg - report backend_cra_name when allocation fails
Be more verbose and also report ->backend_cra_name when
crypto_alloc_shash() or crypto_alloc_cipher() fail in
drbg_init_hash_kernel() or drbg_init_sym_kernel()
correspondingly.
Example
DRBG: could not allocate digest TFM handle: hmac(sha256)
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/drbg.c')
| -rw-r--r-- | crypto/drbg.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c index 5fad297424fc..a7c23146b87f 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -1635,7 +1635,8 @@ static int drbg_init_hash_kernel(struct drbg_state *drbg) tfm = crypto_alloc_shash(drbg->core->backend_cra_name, 0, 0); if (IS_ERR(tfm)) { - pr_info("DRBG: could not allocate digest TFM handle\n"); + pr_info("DRBG: could not allocate digest TFM handle: %s\n", + drbg->core->backend_cra_name); return PTR_ERR(tfm); } BUG_ON(drbg_blocklen(drbg) != crypto_shash_digestsize(tfm)); @@ -1686,7 +1687,8 @@ static int drbg_init_sym_kernel(struct drbg_state *drbg) tfm = crypto_alloc_cipher(drbg->core->backend_cra_name, 0, 0); if (IS_ERR(tfm)) { - pr_info("DRBG: could not allocate cipher TFM handle\n"); + pr_info("DRBG: could not allocate cipher TFM handle: %s\n", + drbg->core->backend_cra_name); return PTR_ERR(tfm); } BUG_ON(drbg_blocklen(drbg) != crypto_cipher_blocksize(tfm)); |