From nobody Thu Apr 9 12:06:20 2026 Received: from out-184.mta0.migadu.com (out-184.mta0.migadu.com [91.218.175.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BCA46337BBD for ; Mon, 2 Mar 2026 11:35:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.184 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772451321; cv=none; b=MEFSAmdlvtkVWbDvf+/szZQfUg2MMRm5TrsGctYKV8jkJD/j7eL5AODIoi5lQdiKi0Ao3dN41nEieCaIvs2UFIl5D3KmiNzXiEcA/HiQbEgrxvOfqSzjZd2olkPMI1gqPTrw7cgkO8dWxXqSXKkIIckHHSZbdDn8XvcXPnO4JJg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772451321; c=relaxed/simple; bh=uZGhgmgY/szr/GX6ytm1P8SBL355y+ixAQH0XTZooKY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ACDrPgWB1NFgF9W+eEVjlnuIs2cpIwAZzHrlGQJykxJGQtSAuwEww32L9SsBpElCdUdI1Qdcsr1BypVpjY2gknH+QFAlM5n3luxZ5G843AeAeaCD8689Q+aRpRhoQZuSO/biCrDyIDHRZkD8zmC51FfYXCZSLfALokLBcJ3az9o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=n98X3Sgk; arc=none smtp.client-ip=91.218.175.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="n98X3Sgk" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1772451316; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=x8ZpHLE2DRQLPnRzyw4GcR84TR9av1pRIf3eL+I1eqE=; b=n98X3SgkBiMc3l6BBSzaTwypSynKYS+uy42RXkskKRtfS9ifkfKCKqMWFWzeNL0CiRNBAz Rdm1L9/1yV0Y3MnobMwN0p/bYt9eGNrdGWTPnloHmJJwC62Hm62IeZhBBSaA82zmIzRc6Z ucz7pOPu9hVUVIY89Q+RXprMlp/SXy8= From: Thorsten Blum To: Thara Gopinath , Herbert Xu , "David S. Miller" Cc: Thorsten Blum , linux-crypto@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] crypto: qce - Remove return variable and unused assignments Date: Mon, 2 Mar 2026 12:34:53 +0100 Message-ID: <20260302113453.938998-2-thorsten.blum@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" In qce_aead_done(), the return variable 'ret' is no longer used - remove it. And qce_aead_prepare_dst_buf() jumps directly to 'dst_tbl_free:' on error and returns 'sg' - drop the useless 'ret' assignments. Signed-off-by: Thorsten Blum --- drivers/crypto/qce/aead.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/crypto/qce/aead.c b/drivers/crypto/qce/aead.c index 97b56e92ea33..67a87a7d6abd 100644 --- a/drivers/crypto/qce/aead.c +++ b/drivers/crypto/qce/aead.c @@ -35,7 +35,6 @@ static void qce_aead_done(void *data) u32 status; unsigned int totallen; unsigned char tag[SHA256_DIGEST_SIZE] =3D {0}; - int ret =3D 0; =20 diff_dst =3D (req->src !=3D req->dst) ? true : false; dir_src =3D diff_dst ? DMA_TO_DEVICE : DMA_BIDIRECTIONAL; @@ -79,8 +78,7 @@ static void qce_aead_done(void *data) } else if (!IS_CCM(rctx->flags)) { totallen =3D req->cryptlen + req->assoclen - ctx->authsize; scatterwalk_map_and_copy(tag, req->src, totallen, ctx->authsize, 0); - ret =3D memcmp(result_buf->auth_iv, tag, ctx->authsize); - if (ret) { + if (memcmp(result_buf->auth_iv, tag, ctx->authsize)) { pr_err("Bad message error\n"); error =3D -EBADMSG; } @@ -144,16 +142,12 @@ qce_aead_prepare_dst_buf(struct aead_request *req) =20 sg =3D qce_sgtable_add(&rctx->dst_tbl, &rctx->adata_sg, rctx->assoclen); - if (IS_ERR(sg)) { - ret =3D PTR_ERR(sg); + if (IS_ERR(sg)) goto dst_tbl_free; - } /* dst buffer */ sg =3D qce_sgtable_add(&rctx->dst_tbl, msg_sg, rctx->cryptlen); - if (IS_ERR(sg)) { - ret =3D PTR_ERR(sg); + if (IS_ERR(sg)) goto dst_tbl_free; - } totallen =3D rctx->cryptlen + rctx->assoclen; } else { if (totallen) { --=20 Thorsten Blum GPG: 1D60 735E 8AEF 3BE4 73B6 9D84 7336 78FD 8DFE EAD4