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* [PATCH] crypto: algif_skcipher - EBUSY on aio should be an error
@ 2020-07-31  7:03 Herbert Xu
  0 siblings, 0 replies; only message in thread
From: Herbert Xu @ 2020-07-31  7:03 UTC (permalink / raw)
  To: Linux Crypto Mailing List

I removed the MAY_BACKLOG flag on the aio path a while ago but
the error check still incorrectly interpreted EBUSY as success.
This may cause the submitter to wait for a request that will never
complete.
    
Fixes: dad419970637 ("crypto: algif_skcipher - Do not set...")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index a51ba22fef58f..28af2c4773c27 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -123,7 +123,7 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg,
 			crypto_skcipher_decrypt(&areq->cra_u.skcipher_req);
 
 		/* AIO operation in progress */
-		if (err == -EINPROGRESS || err == -EBUSY)
+		if (err == -EINPROGRESS)
 			return -EIOCBQUEUED;
 
 		sock_put(sk);
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

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2020-07-31  7:03 [PATCH] crypto: algif_skcipher - EBUSY on aio should be an error Herbert Xu

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