Received: by 2002:a05:6a10:1287:0:0:0:0 with SMTP id d7csp3901210pxv; Mon, 26 Jul 2021 15:19:03 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzzIP4WwyFCgoZRvfYR2tFPLmyPr+mwwNP1iKAxxaXVLT5bc6FYQhk9Yu+WMRRTbDiv0tDO X-Received: by 2002:a92:d5cb:: with SMTP id d11mr13971250ilq.133.1627337943422; Mon, 26 Jul 2021 15:19:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1627337943; cv=none; d=google.com; s=arc-20160816; b=F6j6UObquXQreSlV9PO0SS+BSOftcNESHMRsGmu6mF1w2VrS1lkytAq1zoXdbvJaAR O6qyy1hfg52bmV6fQF/WvxZbDM31vEfycBetgGRhxL+iIpe96EoMqsnaM1Y/MaX7YCTg cV8+Qg/TRI8zS3NG8RElo2pM/V3ZnAau/DM+141qBim70fYxgZw4W4UcPOGvzKjXGm1z yqjQW7ue1JOfclQahp/wkXXueefcsp9E+aDfQImRak7dNM6HV0gtr/t3W1ClEmtSicAf 3ttroIXhvIx8hr0YLM5E7tqYrL/aUuUkBdrPWN1e2eIDflFcb4poI2wryddmAXPuN3Gl nNSA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:message-id:date:references :in-reply-to:subject:cc:to:from:dkim-signature; bh=o3r8oVjRtR44tqw2N+dCH1FWPiJ5zilIyu6rtRHUiN4=; b=mcEU07QYQCXMbwgExD8Zej2InFv0P2YTNZC/nvhu5DyyCOi0xoMgAK1V5mW+Fzpf/E Pu8s6sfy7YNfJMppxVD1VS+iWhFusBu6/27Dhs5Zpg69hj/oJm3ceMieBJssoPhg5Djd FcNGzIYRntiPg1NSx3lOiLk9/mg3LT684eJt2P/EfzcqGG5X+QEDUHRNKAwRKj8gCS67 c+bz4RVYlkUoNBNIfYfwBsXv9rFKTRT5bHC0SY1ITZ2Y4qwTTqXxJFSFyA3siyy6zu60 7QcodpEj/Ln9uLrX0bPXAHdiDljCOjg8E5FTxzN4hti8wwV1nyOcD/vZ4iIMh3Byx3op Y6ew== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@cjr.nz header.s=dkim header.b=I4d0pnS5; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=cjr.nz Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id x17si1309226jat.44.2021.07.26.15.18.51; Mon, 26 Jul 2021 15:19:03 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@cjr.nz header.s=dkim header.b=I4d0pnS5; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=cjr.nz Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233522AbhGZVhm (ORCPT + 99 others); Mon, 26 Jul 2021 17:37:42 -0400 Received: from mx.cjr.nz ([51.158.111.142]:6680 "EHLO mx.cjr.nz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232875AbhGZVhk (ORCPT ); Mon, 26 Jul 2021 17:37:40 -0400 X-Greylist: delayed 488 seconds by postgrey-1.27 at vger.kernel.org; Mon, 26 Jul 2021 17:37:40 EDT Received: from authenticated-user (mx.cjr.nz [51.158.111.142]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: pc) by mx.cjr.nz (Postfix) with ESMTPSA id C47BF807A3; Mon, 26 Jul 2021 22:09:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cjr.nz; s=dkim; t=1627337399; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=o3r8oVjRtR44tqw2N+dCH1FWPiJ5zilIyu6rtRHUiN4=; b=I4d0pnS5TB3gwxfBOzSC8kBue4AGu7EyasQpvYPmqtloykbJlaYfVrSv64b2Ov+4UfCntn 6dWG9WOd/3L2VhbEzOtlqxpMSnTMKBpL21GH6zXIyCJw5L9osviOFciRIs2BR5TxA7iHjB ToPXdjD0bLrb+P2MgHVRUL26/IuIhXgTy5smskvBqVnvJ5T77GhlFP5ZBGoN5nYUABYVfy RbnTdkfxv2GeoUdjxExoLqPolSKEEZBr+CrNeAXJP0H+t3rnrW8uCi+ZCuPY4D1tGT4jNd JNuvCPZKgUrSFzbK2FurOV/qanFbMqEz3cGeeY+H/Zj87eTsMsMe3gRrPS0zlg== From: Paulo Alcantara To: Steve French , CIFS Cc: LKML , ronnie sahlberg Subject: Re: [PATCH][SMB3] fix static analysis warning in smb3_simple_fallocate_write_range In-Reply-To: References: Date: Mon, 26 Jul 2021 19:09:54 -0300 Message-ID: <87r1fkn2vh.fsf@cjr.nz> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Steve French writes: > Clang detected a problem with rc possibly being unitialized > (when length is zero) in a recently added fallocate code path. > > Reported-by: kernel test robot > Signed-off-by: Steve French > > diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c > index 23d6f4d71649..2dfd0d8297eb 100644 > --- a/fs/cifs/smb2ops.c > +++ b/fs/cifs/smb2ops.c Reviewed-by: Paulo Alcantara (SUSE)