crypto: lrw - Fix atomic sleep when walking skcipher
When we perform a walk in the completion function, we need to ensure
that it is atomic.
Fixes: ac3c8f36c3
("crypto: lrw - Do not use auxiliary buffer")
Cc: <stable@vger.kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -212,8 +212,12 @@ static void crypt_done(struct crypto_async_request *areq, int err)
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{
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{
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struct skcipher_request *req = areq->data;
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struct skcipher_request *req = areq->data;
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if (!err)
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if (!err) {
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struct rctx *rctx = skcipher_request_ctx(req);
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rctx->subreq.base.flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
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err = xor_tweak_post(req);
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err = xor_tweak_post(req);
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}
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skcipher_request_complete(req, err);
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skcipher_request_complete(req, err);
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}
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}
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