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authorHerbert Xu <herbert@gondor.apana.org.au>2023-12-07 18:36:57 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-02-23 08:24:48 +0100
commitcf6889bb8b56d15f15d9b8e47ccab7b3b4c74bd6 (patch)
treec2f422584d72970d76fbc3c08be5976716edd09a /crypto
parenta7edaf40fccae738ec97a26d6f087230960d9119 (diff)
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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>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/algapi.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c
index fff52bc9d97d..afe148d0f72d 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -217,6 +217,7 @@ static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
}
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))
goto err;
}