From patchwork Thu Nov 28 09:39:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pei Xiao X-Patchwork-Id: 846040 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 0D05217BA5; Thu, 28 Nov 2024 09:39:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732786789; cv=none; b=K86mLQ3I5lXG4Oi7RYRwJ0BPh71ru+Ytk5Rf8GttKGbAIWJZBKAiVR13EWJVGCngF+2mp7GvDRjJGwxTxrsd0QUV4exFWi9VgufY9IseWYBB8jVWs4B1Z7lfiN0Z685zk6rGGvhgfSOgj9GbFVb40bOkZDEiUb8qmV6EW2Jnblo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732786789; c=relaxed/simple; bh=PgpjEeBjEeiM+/Ksgnzh7tkRkMF1vTzyGLuPO/r7fcE=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=VhPvUb4qgQQEiGGxZCjLViXj+4jyCYdpmOP5dOxgezSuGMute192xAFyd1CVsAUsWM6O0PZl6nc5bKz5wODSaEl7ZHOgU+HIWt3x6LSspEJyahxHO8qmK7ID3pOlJ2ausDhqI2+ad6QQLc4m8Xj3L1v85so5CD64cmbZ+4bJnGY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: ae6f2de0ad6c11efa216b1d71e6e1362-20241128 X-CTIC-Tags: HR_CC_AS_FROM, HR_CC_COUNT, HR_CC_DOMAIN_COUNT, HR_CC_NAME, HR_CTE_8B HR_CTT_MISS, HR_DATE_H, HR_DATE_WKD, HR_DATE_ZONE, HR_FROM_DIGIT_LEN HR_FROM_NAME, HR_SJ_LANG, HR_SJ_LEN, HR_SJ_LETTER, HR_SJ_NOR_SYM HR_SJ_PHRASE, HR_SJ_PHRASE_LEN, HR_SJ_WS, HR_TO_COUNT, HR_TO_DOMAIN_COUNT HR_TO_NO_NAME, IP_TRUSTED, SRC_TRUSTED, DN_TRUSTED, SA_TRUSTED SA_EXISTED, SN_TRUSTED, SN_EXISTED, SPF_NOPASS, DKIM_NOPASS DMARC_NOPASS, CIE_BAD, CIE_GOOD_SPF, GTI_FG_BS, GTI_RG_INFO GTI_C_BU, AMN_GOOD X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.38, REQID:f0a86c82-ea5e-4d7e-b1f1-39f5737eaa53, IP:0, U RL:0,TC:0,Content:-5,EDM:25,RT:0,SF:-5,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:15 X-CID-INFO: VERSION:1.1.38, REQID:f0a86c82-ea5e-4d7e-b1f1-39f5737eaa53, IP:0, URL :0,TC:0,Content:-5,EDM:25,RT:0,SF:-5,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:15 X-CID-META: VersionHash:82c5f88, CLOUDID:bd0b7696ed857b7375f7d8adb9bfec43, BulkI D:241128173937ZXLZ92WA,BulkQuantity:0,Recheck:0,SF:17|19|38|66|102,TC:nil, Content:0,EDM:5,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 ,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FAS,TF_CID_SPAM_FSD X-UUID: ae6f2de0ad6c11efa216b1d71e6e1362-20241128 X-User: xiaopei01@kylinos.cn Received: from xiaopei-pc.. [(10.44.16.150)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 125818; Thu, 28 Nov 2024 17:39:36 +0800 From: Pei Xiao To: hadar.gat@arm.com, olivia@selenic.com, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Pei Xiao Subject: [PATCH] hwrng: cctrng: Add cancel_work_sync before module remove Date: Thu, 28 Nov 2024 17:39:31 +0800 Message-Id: X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Be ensured that the work is canceled before proceeding with the cleanup in cc_trng_pm_fini. Fixes: a583ed310bb6 ("hwrng: cctrng - introduce Arm CryptoCell driver") Signed-off-by: Pei Xiao --- drivers/char/hw_random/cctrng.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/char/hw_random/cctrng.c b/drivers/char/hw_random/cctrng.c index 4db198849695..fd1ee3687782 100644 --- a/drivers/char/hw_random/cctrng.c +++ b/drivers/char/hw_random/cctrng.c @@ -127,6 +127,8 @@ static void cc_trng_pm_fini(struct cctrng_drvdata *drvdata) { struct device *dev = &(drvdata->pdev->dev); + cancel_work_sync(&drvdata->compwork); + cancel_work_sync(&drvdata->startwork); pm_runtime_disable(dev); }