crypto: inside-secure - fix queued len computation (ccd65a20) · Commits · 戴 / test

This patch fixes the queued len computation, which could theoretically be wrong if req->len[1] - req->processed[1] > 1. Be future-proof here, and fix it. Fixes: ("crypto: inside-secure - sha512 support") Signed-off-by:

Antoine Tenart <antoine.tenart@bootlin.com> Signed-off-by:

Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/inside-secure/safexcel_hash.c

+5 −3

Original line number	Diff line number	Diff line
		@@ -50,10 +50,12 @@ struct safexcel_ahash_req {

		static inline u64 safexcel_queued_len(struct safexcel_ahash_req *req)
		{
		if (req->len[1] > req->processed[1])
		return 0xffffffff - (req->len[0] - req->processed[0]);
		u64 len, processed;

		return req->len[0] - req->processed[0];
		len = (0xffffffff * req->len[1]) + req->len[0];
		processed = (0xffffffff * req->processed[1]) + req->processed[0];

		return len - processed;
		}

		static void safexcel_hash_token(struct safexcel_command_desc *cdesc,

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