From nobody Mon Feb 9 08:42:14 2026 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 3D8BA3C3C for ; Fri, 29 Nov 2024 03:02:06 +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=1732849335; cv=none; b=foSMVMJyJuEVCgLACjzcdbbPa91+o6IhhQ+oc1RhWyUHdmjVg19kYCIObrIVcnSzr59I1AeJXOWzyGY26Sx2B2DHLbwlSctlRTEkrfjoOgdYSFoiEGAn0vS6aJcUDR5nmmR+FJ9CV1koZ9vQlJc3khrFeiyecolv78IA7jgKLJw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732849335; c=relaxed/simple; bh=wjk07jw1Mfrnejde7tfJqUHtjNnnPHt+rjSbnjMJMoE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=b9TNSudZ71CA+/rshbX4p2IWpDI8wtHKeX8/pYqRVZiTOvzldlh44w7AJldCyfjHuVw1h/NuT8MrC8Pfoj/kjQJ5In2Cwx4DJ6EcHpj6+6xgFrMarYCYbHHMwLaWWk5lVg17JWK4m+mWEEkIBhii/PMeJoY+BRNZc2+dKRmW75g= 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: 4d11c3f4adfe11efa216b1d71e6e1362-20241129 X-CTIC-Tags: HR_CC_COUNT, HR_CC_DOMAIN_COUNT, HR_CC_NAME, HR_CC_NO_NAME, HR_CTE_8B HR_CTT_MISS, HR_DATE_H, HR_DATE_WKD, HR_DATE_ZONE, 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, CIE_GOOD_SPF, GTI_FG_BS, GTI_RG_INFO GTI_C_BU, AMN_GOOD, ABX_MISS_RDNS X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.38,REQID:14d84a24-f49b-4c47-a252-0f4df906619b,IP:15, URL:0,TC:0,Content:0,EDM:25,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,ACT ION:release,TS:25 X-CID-INFO: VERSION:1.1.38,REQID:14d84a24-f49b-4c47-a252-0f4df906619b,IP:15,UR L:0,TC:0,Content:0,EDM:25,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:25 X-CID-META: VersionHash:82c5f88,CLOUDID:35b8a1c97a67c95beb2957a9a36033dc,BulkI D:2411291102005DW3XCYH,BulkQuantity:0,Recheck:0,SF:17|19|24|38|44|66|102,T C:nil,Content:0,EDM:5,IP:-2,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 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FAS,TF_CID_SPAM_FSD,TF_CID_SPAM_FSI X-UUID: 4d11c3f4adfe11efa216b1d71e6e1362-20241129 X-User: tianyaxiong@kylinos.cn Received: from ukylin-xiaoxinpro-16-irh8.. [(116.128.244.171)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 2099950808; Fri, 29 Nov 2024 11:01:59 +0800 From: Yaxiong Tian To: gregkh@linuxfoundation.org, rafael@kernel.org Cc: linux-kernel@vger.kernel.org, Yaxiong Tian Subject: [PATCH] drivers core: bus: Remove unnecessary NULL assignments in the bus_register() function Date: Fri, 29 Nov 2024 11:01:30 +0800 Message-ID: <20241129030130.3754-1-tianyaxiong@kylinos.cn> X-Mailer: git-send-email 2.43.0 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 Content-Type: text/plain; charset="utf-8" In bus_register(), Priv is a local pointer variable, so its assignment can be ignored and the function can be returned directly. This can reduce the NULL checks in the subsequent kfree function. Signed-off-by: Yaxiong Tian --- drivers/base/bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 657c93c38b0d..c1fd2860e397 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -923,7 +923,7 @@ int bus_register(const struct bus_type *bus) bus_uevent_fail: kset_unregister(&priv->subsys); /* Above kset_unregister() will kfree @priv */ - priv =3D NULL; + return retval; out: kfree(priv); return retval; --=20 2.25.1