crypto: ccp - Remove user triggerable pr_err calls
Remove the pr_err calls that are issued during parameter checking in some AES operations. This will eliminate the possibility of filling up syslog through these paths. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Cette révision appartient à :
@@ -76,24 +76,18 @@ static int ccp_aes_crypt(struct ablkcipher_request *req, bool encrypt)
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unsigned int iv_len = 0;
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int ret;
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if (!ctx->u.aes.key_len) {
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pr_err("AES key not set\n");
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if (!ctx->u.aes.key_len)
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return -EINVAL;
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}
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if (((ctx->u.aes.mode == CCP_AES_MODE_ECB) ||
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(ctx->u.aes.mode == CCP_AES_MODE_CBC) ||
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(ctx->u.aes.mode == CCP_AES_MODE_CFB)) &&
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(req->nbytes & (AES_BLOCK_SIZE - 1))) {
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pr_err("AES request size is not a multiple of the block size\n");
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(req->nbytes & (AES_BLOCK_SIZE - 1)))
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return -EINVAL;
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}
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if (ctx->u.aes.mode != CCP_AES_MODE_ECB) {
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if (!req->info) {
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pr_err("AES IV not supplied");
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if (!req->info)
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return -EINVAL;
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}
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memcpy(rctx->iv, req->info, AES_BLOCK_SIZE);
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iv_sg = &rctx->iv_sg;
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