When we perform a walk in the completion function, we need to ensure
that it is atomic.
Fixes: ac3c8f36c31d ("crypto: lrw - Do not use auxiliary buffer")
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
diff --git a/crypto/lrw.c b/crypto/lrw.c
index 0430ccd08728..08a0e458bc3e 100644
--- a/crypto/lrw.c
+++ b/crypto/lrw.c
@@ -212,8 +212,12 @@ static void crypt_done(struct crypto_async_request *areq, int err)
{
struct skcipher_request *req = areq->data;
- if (!err)
+ if (!err) {
+ struct rctx *rctx = skcipher_request_ctx(req);
+
+ rctx->subreq.base.flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
err = xor_tweak_post(req);
+ }
skcipher_request_complete(req, err);
}
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
