crypto: api - Disallow identical driver names
commit 27016f75f5ed47e2d8e0ca75a8ff1f40bc1a5e27 upstream. Disallow registration of two algorithms with identical driver names. Cc: <stable@vger.kernel.org> Reported-by: Ovidiu Panait <ovidiu.panait@windriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -258,6 +258,7 @@ static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
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}
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if (!strcmp(q->cra_driver_name, alg->cra_name) ||
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!strcmp(q->cra_driver_name, alg->cra_driver_name) ||
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!strcmp(q->cra_name, alg->cra_driver_name))
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goto err;
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}
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