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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>
This commit is contained in:
Herbert Xu 2023-12-07 18:36:57 +08:00 committed by Greg Kroah-Hartman
parent f36d200a80
commit b1a67a0d1a
1 changed files with 1 additions and 0 deletions
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1
crypto/algapi.c
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@ -341,6 +341,7 @@ __crypto_register_alg(struct crypto_alg *alg, struct list_head *algs_to_put)
} }
if (!strcmp(q->cra_driver_name, alg->cra_name) || if (!strcmp(q->cra_driver_name, alg->cra_name) ||
!strcmp(q->cra_driver_name, alg->cra_driver_name) ||
!strcmp(q->cra_name, alg->cra_driver_name)) !strcmp(q->cra_name, alg->cra_driver_name))
goto err; goto err;
} }