From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lithops.sigma-star.at (mailout.nod.at [116.203.167.152]) (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 117031D79A9; Fri, 15 Nov 2024 16:46:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=116.203.167.152 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731689174; cv=none; b=apxhpDsfneRHPxF8zoBT/2USx4d0K6UDChsfbDItTii/Ni595osoC/8Ab+nZAco2lz6C3gRRdswjiQfviJ7YX1dnhQoQZF+1GJfKXNUOFazv8bpFpMZaT2j2Ut6HaYHq5/1LrTpHsxmrY7ebssDYoIW0WC7OxRBJ98b4lJRVUZM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731689174; c=relaxed/simple; bh=81N8hUpKUJ833nRqmuPDfY3m61qh6yu3gfvjW3pMQOU=; h=Date:From:To:Cc:Message-ID:In-Reply-To:References:Subject: MIME-Version:Content-Type; b=XJmU+0Rp3lWLj9RIzhp0paNWErpEg5WS6duVy1ccxD7NFr4jcpjB9FeW/viVBciz8Qs5xbCHMYth7FskmqB+tnpv95Ud6zThkZm2vca1ozdNDgYUzJqY/DqW3S7wvGsd+e4eCa+g8MER+c0K+u/+aQW2E8H1mLyBLPYEpFFBJy0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=nod.at; spf=fail smtp.mailfrom=nod.at; arc=none smtp.client-ip=116.203.167.152 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=nod.at Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nod.at Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id ABEFC2E6122; Fri, 15 Nov 2024 17:46:02 +0100 (CET) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id dka9VytXuRXK; Fri, 15 Nov 2024 17:46:01 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id CFA0C2E6123; Fri, 15 Nov 2024 17:46:01 +0100 (CET) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 957l7AUmNeh9; Fri, 15 Nov 2024 17:46:01 +0100 (CET) Received: from lithops.sigma-star.at (lithops.sigma-star.at [195.201.40.130]) by lithops.sigma-star.at (Postfix) with ESMTP id A7E292E6122; Fri, 15 Nov 2024 17:46:01 +0100 (CET) Date: Fri, 15 Nov 2024 17:46:01 +0100 (CET) From: Richard Weinberger To: Nathan Chancellor Cc: chengzhihao1 , linux-mtd , llvm , patches Message-ID: <523439945.25799625.1731689161475.JavaMail.zimbra@nod.at> In-Reply-To: <20241115-ubifs-fix-uninitialized-err-v1-1-446849982e27@kernel.org> References: <20241115-ubifs-fix-uninitialized-err-v1-1-446849982e27@kernel.org> Subject: Re: [PATCH] ubifs: Fix uninitialized use of err in ubifs_jnl_write_inode() Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Mailer: Zimbra 8.8.12_GA_3807 (ZimbraWebClient - FF132 (Linux)/8.8.12_GA_3809) Thread-Topic: ubifs: Fix uninitialized use of err in ubifs_jnl_write_inode() Thread-Index: p1tVQPOYDKTjOs1uPw+hVvBIZtx6HQ== ----- Urspr=C3=BCngliche Mail ----- > Von: "Nathan Chancellor" > An: "richard" , "chengzhihao1" > CC: "linux-mtd" , "llvm" , "patches" , > "Nathan Chancellor" > Gesendet: Freitag, 15. November 2024 17:10:04 > Betreff: [PATCH] ubifs: Fix uninitialized use of err in ubifs_jnl_write_i= node() > Clang warns (or errors with CONFIG_WERROR=3Dy): >=20 > fs/ubifs/journal.c:986:20: error: variable 'err' is uninitialized when u= sed here > [-Werror,-Wuninitialized] > 986 | ubifs_ro_mode(c, err); > | ^~~ >=20 > Set err to -EPERM before the call to ubifs_ro_mode() and reuse it in the > return statement to resolve the warning. >=20 > Fixes: 957e1c4e1779 ("ubifs: ubifs_jnl_write_inode: Only check once for t= he > limitation of xattr count") > Signed-off-by: Nathan Chancellor That was fast, good catch! Applied to -next. Thanks, //richard