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xfrm_user: Remove zero length key checks.

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The crypto layer will determine whether that is valid
or not.

Suggested by Herbert Xu, based upon a report and patch
by Martin Willi.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
David S. Miller 2008-05-21 17:36:21 -07:00
parent 51f82a2b12
commit 88860c9ef4
1 changed files with 0 additions and 11 deletions
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11
net/xfrm/xfrm_user.c
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@ -50,19 +50,8 @@ static int verify_one_alg(struct nlattr **attrs, enum xfrm_attr_type_t type)
switch (type) { switch (type) {
case XFRMA_ALG_AUTH: case XFRMA_ALG_AUTH:
if (!algp->alg_key_len &&
strcmp(algp->alg_name, "digest_null") != 0)
return -EINVAL;
break;
case XFRMA_ALG_CRYPT: case XFRMA_ALG_CRYPT:
if (!algp->alg_key_len &&
strcmp(algp->alg_name, "cipher_null") != 0)
return -EINVAL;
break;
case XFRMA_ALG_COMP: case XFRMA_ALG_COMP:
/* Zero length keys are legal. */
break; break;
default: default: