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xfrm: Prepare for CRYPTO_MAX_ALG_NAME expansion 

This patch fixes the xfrm_user code to use the actual array size
rather than the hard-coded CRYPTO_MAX_ALG_NAME length.  This is
because the array size is fixed at 64 bytes while we want to increase
the in-kernel CRYPTO_MAX_ALG_NAME value.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Tested-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Herbert Xu 2017-04-06 16:16:10 +08:00
parent 3f69cc6076
commit 633439f5b7
1 changed files with 3 additions and 3 deletions
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6
net/xfrm/xfrm_user.c
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@ -55,7 +55,7 @@ static int verify_one_alg(struct nlattr **attrs, enum xfrm_attr_type_t type)
return -EINVAL;
}
algp->alg_name[CRYPTO_MAX_ALG_NAME - 1] = '\0';
algp->alg_name[sizeof(algp->alg_name) - 1] = '\0';
return 0;
}
@ -71,7 +71,7 @@ static int verify_auth_trunc(struct nlattr **attrs)
if (nla_len(rt) < xfrm_alg_auth_len(algp))
return -EINVAL;
algp->alg_name[CRYPTO_MAX_ALG_NAME - 1] = '\0';
algp->alg_name[sizeof(algp->alg_name) - 1] = '\0';
return 0;
}
@ -87,7 +87,7 @@ static int verify_aead(struct nlattr **attrs)
if (nla_len(rt) < aead_len(algp))
return -EINVAL;
algp->alg_name[CRYPTO_MAX_ALG_NAME - 1] = '\0';
algp->alg_name[sizeof(algp->alg_name) - 1] = '\0';
return 0;
}