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    Subject[PATCH 5.8 102/633] crypto: algif_skcipher - EBUSY on aio should be an error
    Date
    From: Herbert Xu <herbert@gondor.apana.org.au>

    [ Upstream commit 2a05b029c1ee045b886ebf9efef9985ca23450de ]

    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>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    crypto/algif_skcipher.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
    index 81c4022285a7c..30069a92a9b22 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);
    --
    2.25.1


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