From f271ea9fe1de6455a6855ef320c6946a7f7bf6e7 Mon Sep 17 00:00:00 2001 From: Ryder Lee <ryder.lee@mediatek.com> Date: Wed, 28 Aug 2019 14:37:14 +0800 Subject: 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 <ryder.lee@mediatek.com> Signed-off-by: Vic Wu <vic.wu@mediatek.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> --- drivers/crypto/mediatek/mtk-sha.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/crypto') diff --git a/drivers/crypto/mediatek/mtk-sha.c b/drivers/crypto/mediatek/mtk-sha.c index f03b0f06fb2f..9e9f48bb7f85 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 -- cgit