From nobody Sat Jan 3 06:36:04 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6C9FE7C4EC for ; Wed, 4 Oct 2023 19:27:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244504AbjJDT1F (ORCPT ); Wed, 4 Oct 2023 15:27:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244240AbjJDT05 (ORCPT ); Wed, 4 Oct 2023 15:26:57 -0400 Received: from mail-pf1-x432.google.com (mail-pf1-x432.google.com [IPv6:2607:f8b0:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 652A2E9 for ; Wed, 4 Oct 2023 12:26:52 -0700 (PDT) Received: by mail-pf1-x432.google.com with SMTP id d2e1a72fcca58-690ce3c55f1so154020b3a.0 for ; Wed, 04 Oct 2023 12:26:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1696447612; x=1697052412; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=uvVPnlQORTCK7kqZ53cdR5dJ01wpTJ+M1zt/QBCKOzQ=; b=aVnDf9y9ppcLZrN0TfKGyYX1Agu3ULIUVQcZD0//g5CNVy8EK8vseFYuKlT5OtvBq7 w2ThnvRjVQLSH4Jh03j4SDvO6avZNJwmQFxTPCsZhvToA12XzvFcHSfXbLesNrJVa/MS gCw/fkN29F1tJmDV5lQ0OISzxdQCgt7V/4dHk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696447612; x=1697052412; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=uvVPnlQORTCK7kqZ53cdR5dJ01wpTJ+M1zt/QBCKOzQ=; b=lSBvA2+UPM1nIc/+ZqzKZbLidFo0tfu6/od+KxwdUIJHPPM3kc55aXr7sGF4KMitRt DAOWBIuOCB9C9KgZCa2URM+ohGn43DmolTcAamoMXwfgUw1tLIJd3ak0UvPwcrROzf2b 5n+7Jd4LH+pdO+AVL0TEbst2ipfdukz8WdF3jYUeOMKeu5D/4X0L5Va6D5skTai+TkKK wvWy0faU63WI3HjRJOIeOoLgtdOPavFimu3k8/jXGK8PolsgYd5fZXJiZD7PG0lVgXYN UwiWb0QjxQIEXw1TJHgTj/x5MjdPRKfABuBIoIBJacrWb/Er+xSoD09fFeZtmNFI7epT SVSQ== X-Gm-Message-State: AOJu0Yzpw8/KsnOD2RucWvhWv8wplheUa+Oi4pXocfb3sA59o3iLDfM3 hSe1ZGeHZhWBoCvO2uLXcb33Xw== X-Google-Smtp-Source: AGHT+IGNHTwRI7vfmNQwD3lLL9cQeBWB7/sSsJb5Q+btfuk283ZdK7ymWVQN2uz9BobRw7b9uN7UmA== X-Received: by 2002:a05:6a21:6811:b0:15e:b8a1:57b0 with SMTP id wr17-20020a056a21681100b0015eb8a157b0mr2585287pzb.39.1696447611832; Wed, 04 Oct 2023 12:26:51 -0700 (PDT) Received: from tictac2.mtv.corp.google.com ([2620:15c:9d:2:9cce:13a8:f2b8:b799]) by smtp.gmail.com with ESMTPSA id d190-20020a6336c7000000b0057c29fec795sm3649151pga.37.2023.10.04.12.26.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Oct 2023 12:26:51 -0700 (PDT) From: Douglas Anderson To: Jakub Kicinski , Hayes Wang , "David S . Miller" Cc: linux-usb@vger.kernel.org, Alan Stern , Grant Grundler , Edward Hill , Douglas Anderson , =?UTF-8?q?Bj=C3=B8rn=20Mork?= , Eric Dumazet , Paolo Abeni , Simon Horman , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v2 2/5] r8152: Check for unplug in rtl_phy_patch_request() Date: Wed, 4 Oct 2023 12:24:39 -0700 Message-ID: <20231004122435.v2.2.I300ed6c3269c77756bdd10dd0d6f97db85470186@changeid> X-Mailer: git-send-email 2.42.0.582.g8ccd20d70d-goog In-Reply-To: <20231004192622.1093964-1-dianders@chromium.org> References: <20231004192622.1093964-1-dianders@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" If the adapter is unplugged while we're looping in rtl_phy_patch_request() we could end up looping for 10 seconds (2 ms * 5000 loops). Add code similar to what's done in other places in the driver to check for unplug and bail. Signed-off-by: Douglas Anderson --- Changes in v2: - ("Check for unplug in rtl_phy_patch_request()") new for v2. drivers/net/usb/r8152.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 482957beae66..fff2f9e67b5f 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -4046,6 +4046,9 @@ static int rtl_phy_patch_request(struct r8152 *tp, bo= ol request, bool wait) for (i =3D 0; wait && i < 5000; i++) { u32 ocp_data; =20 + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + break; + usleep_range(1000, 2000); ocp_data =3D ocp_reg_read(tp, OCP_PHY_PATCH_STAT); if ((ocp_data & PATCH_READY) ^ check) --=20 2.42.0.582.g8ccd20d70d-goog