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authorRyder Lee <ryder.lee@mediatek.com>2019-08-28 14:37:14 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2019-09-05 14:36:54 +1000
commitf271ea9fe1de6455a6855ef320c6946a7f7bf6e7 (patch)
tree1bc570391653e5e5b837bc80ddad43c548ca902d /drivers/crypto
parente049ff5af04b18bfb4105787be198d58c841fc99 (diff)
downloadlinux-next-f271ea9fe1de6455a6855ef320c6946a7f7bf6e7.tar.gz
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>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/mediatek/mtk-sha.c4
1 files changed, 3 insertions, 1 deletions
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