Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp5109318ybe; Tue, 17 Sep 2019 02:47:01 -0700 (PDT) X-Google-Smtp-Source: APXvYqzkGsQOveEpjOW1bIReRqdrQHywa5cUedEXgqyIq9Jn1OLfYZyyK96F+ftw7NfRkA5sTBUW X-Received: by 2002:a05:6402:290:: with SMTP id l16mr1188823edv.178.1568713621305; Tue, 17 Sep 2019 02:47:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1568713621; cv=none; d=google.com; s=arc-20160816; b=C0eK51yPOjwTu8E4rlFh4WmtUHf8a9Y4z+S4aSfauzbORper9JVtYwnKxr7MrzYdP9 5KjnVBdvk4S8w8dFR4sAMAdoO0mM0WvYA1+SstAlCKfOTMGDr4LB/tH60VwJTSbJgLz0 tBPujay6ja0tuTtr6uU2OGoaA3jBHB/0kdT0OvSzLjzmsOIbmkP+ia8P+C/F4gWpGvJB WwAlH4UIo09hYwFZfJ1mml33PG05D4OpEqQPfySvpEM0cKXqSGqdAmp+TBdM3EcjnGPi wXVp8I+JtzTOven9p1oh0wShrOBJHcCZA6pavtPXpGDMkkiscXxOG92sBFUKneZF0/N4 ZDzA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=rOVqkumQN5CEwQ1QOe3+67O+QvL5+kQKUKOQklx5+IQ=; b=wFn1s2/KfPKO5AjC6Go479dmyTyEu6NB2a/B3WnlZpbL0LWbfzDAf5HH9LurWuiZ+p wZBTVh2aLZ/bqI+Rn5KaTSyj8e0tc8ccrreKieAPvPDjpN673zTZlRNTGkIxTSZcabOp KQr4krS7n2qBd0wOCnz4dM4y4Xt3akqpAMP5EsVO7zbdWp3ZLV1ADKZ8T+acLf4xS8Ch HOy+qNWdmcktoWYFgalAfLIu+Tbbh0H4saujr7WxIfl5EywxRx9195csAIIeTs9dZFgy OibGCsS5GJgZDgc8nGlSXNR3dKH45LtOHz/diLZCCzQ9DfxYMFFTRpxh8lBRFU9A6UHk QR1g== ARC-Authentication-Results: i=1; mx.google.com; dkim=temperror (no key for signature) header.i=@szeredi.hu header.s=google header.b=SxJoufJA; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v25si933749edy.392.2019.09.17.02.46.38; Tue, 17 Sep 2019 02:47:01 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=temperror (no key for signature) header.i=@szeredi.hu header.s=google header.b=SxJoufJA; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404631AbfIQIGg (ORCPT + 99 others); Tue, 17 Sep 2019 04:06:36 -0400 Received: from mail-io1-f66.google.com ([209.85.166.66]:38607 "EHLO mail-io1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404624AbfIQIGf (ORCPT ); Tue, 17 Sep 2019 04:06:35 -0400 Received: by mail-io1-f66.google.com with SMTP id k5so5454316iol.5 for ; Tue, 17 Sep 2019 01:06:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=rOVqkumQN5CEwQ1QOe3+67O+QvL5+kQKUKOQklx5+IQ=; b=SxJoufJAOfbF2RwDS0pCxab33Nn6kfhsv5d+081atG/Zap3xQyZ8RMJbv9ScBPJ+Kg MY3eDxzP0ub05OZpG9cZFAzcTVrfvhcPOxtKaPa8Zf137LoyRB7t51pyJB1YMISWluGu OqLFXI6lucYPJeDumVte1G1rNzlCbyhhy9PqY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=rOVqkumQN5CEwQ1QOe3+67O+QvL5+kQKUKOQklx5+IQ=; b=pDLMKA6QVPZ691OLVgZRGutYFqMMjHSdXQny59+hZZlzzfOzrIc5NhmIzsEgGuZWos 7if0B0QM9AmYziDsFnAl5fNSOmZl+npMiWGb+q55nla/dTkcw5j0VkAvASHwUX8Rnx1N tMN7ZzvNLa8WpDprxQFe+gfzANGqThQioGTb5JqRirXCop8NIYam62OYQBZvj4jmXQ2Y qmlCIShspakyqRqZZ2saW8bZNgOVvYEGgHWDzQYcTwTvxK4d6ugdvkbSe3ubN2yJLj5Y 5TjbyxnTAEaG2quDrYeSP/jVntB7RTVRarHYd7rlI/u6RRFwMaFWsmqZhRj7xIJqjHj1 K8wg== X-Gm-Message-State: APjAAAVRZU/pE5+hnA2MuClTTvQqwTevLDCDdIRn+fbe11jVTmgTA/V4 3PgnyjlKN217xkVKGZbzTiVIdn+r4wzzWvKzPBDQ8z+P X-Received: by 2002:a6b:bec6:: with SMTP id o189mr2143281iof.62.1568707594550; Tue, 17 Sep 2019 01:06:34 -0700 (PDT) MIME-Version: 1.0 References: <1568017796-27513-1-git-send-email-dingxiang@cmss.chinamobile.com> In-Reply-To: <1568017796-27513-1-git-send-email-dingxiang@cmss.chinamobile.com> From: Miklos Szeredi Date: Tue, 17 Sep 2019 10:06:23 +0200 Message-ID: Subject: Re: [PATCH] ovl: Fix dereferencing possible ERR_PTR() To: Ding Xiang Cc: overlayfs , linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 9, 2019 at 10:30 AM Ding Xiang wrote: > > if ovl_encode_real_fh() fails, no memory was allocated > and the error in the error-valued pointer should be returned. Applied, thanks. Miklos