linux-kernel - [PATCH][next] mm/zswap: remove redundant assignment to variable dlen

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Date:   Mon, 22 Jun 2020 16:44:32 +0100
From:   Colin King <colin.king@...onical.com>
To:     Seth Jennings <sjenning@...hat.com>,
        Dan Streetman <ddstreet@...e.org>,
        Vitaly Wool <vitaly.wool@...sulko.com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH][next] mm/zswap: remove redundant assignment to variable dlen

From: Colin Ian King <colin.king@...onical.com>

The variable dlen is being assigned a value that is never read, the
assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 mm/zswap.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mm/zswap.c b/mm/zswap.c
index 14839cbac7ff..d63b90edd833 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -1249,7 +1249,6 @@ static int zswap_frontswap_load(unsigned type, pgoff_t offset,
 	sg_init_one(&output, dst, dlen);
 	acomp_request_set_params(acomp_ctx->req, &input, &output, entry->length, dlen);
 	ret = crypto_wait_req(crypto_acomp_decompress(acomp_ctx->req), &acomp_ctx->wait);
-	dlen = acomp_ctx->req->dlen;
 	mutex_unlock(&acomp_ctx->mutex);
 
 	kunmap(page);
-- 
2.27.0