Commit f271ea9f authored Aug 28, 2019 by Ryder Lee Committed by Herbert Xu Sep 05, 2019

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>

parent e049ff5a

drivers/crypto/mediatek/mtk-sha.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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

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