From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-170.mta1.migadu.com (out-170.mta1.migadu.com [95.215.58.170]) (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 33128375AB3 for ; Fri, 20 Mar 2026 08:49:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.170 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773996593; cv=none; b=NLZNlfGs9CGceClMZ3R7/r6V4qfa/EYVmh8TbsBQZjsQcxevSUYL1CTr4rLcdUaIrmtGyOa1Q8dZ4xeAnPXJSPHUYqX8ZWHOpkwxPLcfD7kEQkgzdsrTjkku+Gd76mPXuuu58zGxM55SW3irusx/TQLtWxh3WlUZ8L7zxgwGcLY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773996593; c=relaxed/simple; bh=ahib7IbYp2cDCXT6vLdkvKmi5k8RioCG9oaxaS8HxBU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=riXa+Rd6jxjMwgpmGSlp30ayzVf/YUnj0fTpD8IvvkmHp6zsulhMy3LY+H1IDNteCKS+Mgs8rdp41jLVyw4urJTpGGFojZ9jjBHrbkkBnRVuNfiZ022qE5NFgVqPebHP409gk2CnK6k3MsBdngEKTtXrgTfW3HiPFmbeyMVjTxg= 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=igP/iLuK; arc=none smtp.client-ip=95.215.58.170 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="igP/iLuK" 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=1773996579; 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=Z7Ypq/2sdtjtXxITYYiW9Wy8T7mWGhBOO/q+BwqcWKs=; b=igP/iLuKjQb5/GqbtIEiStlLNTdSw1sdmJBmW4o+d9qOmvRrmBSnP+zsMUvY6ndY9pDmtt lMIEO4cR0aGZOQLAPMsf99nj6gR8WewWwaLB9s76fbgNNj0iUKO7Jx28EAqaigVd1sYPxV 0jWpD2C457eFQhV8eqF9unouRQLz/yI= From: Thorsten Blum To: Herbert Xu , "David S. Miller" , Maxime Coquelin , Alexandre Torgue , Sakari Ailus , Thorsten Blum Cc: linux-crypto@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] crypto: stm32 - use list_first_entry_or_null to simplify hash_find_dev Date: Fri, 20 Mar 2026 09:49:13 +0100 Message-ID: <20260320084914.7180-3-thorsten.blum@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1185; i=thorsten.blum@linux.dev; h=from:subject; bh=ahib7IbYp2cDCXT6vLdkvKmi5k8RioCG9oaxaS8HxBU=; b=owGbwMvMwCUWt7pQ4caZUj3G02pJDJl7ubhEMrm+KV0QmBve+uPYg++nWuft8vd82rPT0k74f Ms9rYXSHaUsDGJcDLJiiiwPZv2Y4VtaU7nJJGInzBxWJpAhDFycAjCRyWcY/tmG7/wYGXHYUuD8 g+s2r5ZMYQyZdLPx9KQfG+4/r97lE2zK8E/lUdvNwOS/W2f//2h69O0ZzrNLDDyv+LqtLk9y6/b uy+cBAA== X-Developer-Key: i=thorsten.blum@linux.dev; a=openpgp; fpr=1D60735E8AEF3BE473B69D84733678FD8DFEEAD4 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Use list_first_entry_or_null() to simplify stm32_hash_find_dev() and remove the now-unused local variable 'struct stm32_hash_dev *tmp'. Signed-off-by: Thorsten Blum --- drivers/crypto/stm32/stm32-hash.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c index d60147a7594e..dada5951082c 100644 --- a/drivers/crypto/stm32/stm32-hash.c +++ b/drivers/crypto/stm32/stm32-hash.c @@ -792,19 +792,13 @@ static int stm32_hash_dma_send(struct stm32_hash_dev *hdev) static struct stm32_hash_dev *stm32_hash_find_dev(struct stm32_hash_ctx *ctx) { - struct stm32_hash_dev *hdev = NULL, *tmp; + struct stm32_hash_dev *hdev; spin_lock_bh(&stm32_hash.lock); - if (!ctx->hdev) { - list_for_each_entry(tmp, &stm32_hash.dev_list, list) { - hdev = tmp; - break; - } - ctx->hdev = hdev; - } else { - hdev = ctx->hdev; - } - + if (!ctx->hdev) + ctx->hdev = list_first_entry_or_null(&stm32_hash.dev_list, + struct stm32_hash_dev, list); + hdev = ctx->hdev; spin_unlock_bh(&stm32_hash.lock); return hdev;