[PATCH 5.10 018/379] crypto: api - Disallow identical driver names

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5.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>

commit 27016f75f5ed47e2d8e0ca75a8ff1f40bc1a5e27 upstream.

Disallow registration of two algorithms with identical driver names.

Cc: <stable@xxxxxxxxxxxxxxx>
Reported-by: Ovidiu Panait <ovidiu.panait@xxxxxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 crypto/algapi.c |    1 +
 1 file changed, 1 insertion(+)

--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -258,6 +258,7 @@ static struct crypto_larval *__crypto_re
 		}
 
 		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;
 	}






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