From: Ryder Lee Date: Wed, 28 Aug 2019 06:37:14 +0000 (+0800) Subject: crypto: mediatek - only treat EBUSY as transient if backlog X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f271ea9fe1de6455a6855ef320c6946a7f7bf6e7;p=linux.git crypto: mediatek - only treat EBUSY as transient if backlog The driver was treating -EBUSY as indication of queueing to backlog without checking that backlog is enabled for the request. Fix it by checking request flags. Signed-off-by: Ryder Lee Signed-off-by: Vic Wu Signed-off-by: Herbert Xu --- diff --git a/drivers/crypto/mediatek/mtk-sha.c b/drivers/crypto/mediatek/mtk-sha.c index f03b0f06fb2fb..9e9f48bb7f850 100644 --- a/drivers/crypto/mediatek/mtk-sha.c +++ b/drivers/crypto/mediatek/mtk-sha.c @@ -778,7 +778,9 @@ static int mtk_sha_finup(struct ahash_request *req) ctx->flags |= SHA_FLAGS_FINUP; err1 = mtk_sha_update(req); - if (err1 == -EINPROGRESS || err1 == -EBUSY) + if (err1 == -EINPROGRESS || + (err1 == -EBUSY && (ahash_request_flags(req) & + CRYPTO_TFM_REQ_MAY_BACKLOG))) return err1; /* * final() has to be always called to cleanup resources