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authorSergey Senozhatsky <sergey.senozhatsky@gmail.com>2015-06-10 22:27:48 +0900
committerHerbert Xu <herbert@gondor.apana.org.au>2015-06-11 21:55:28 +0800
commit593dfbd9ca7d8d6f9a01020426b680b78b86bdb2 (patch)
tree7f4854cfa732851778802991e6e1fb76906e71be /crypto
parent42ea507fae1ac4b4af0d9d715ab56fa4de2a0341 (diff)
downloadlinux-stericsson-593dfbd9ca7d8d6f9a01020426b680b78b86bdb2.tar.gz
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')
-rw-r--r--crypto/drbg.c6
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));