Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 27 Dec 2002 16:47:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 27 Dec 2002 16:47:16 -0500 Received: from shay.ecn.purdue.edu ([128.46.209.11]:2762 "EHLO shay.ecn.purdue.edu") by vger.kernel.org with ESMTP id ; Fri, 27 Dec 2002 16:47:15 -0500 From: Kevin Corry Message-Id: <200212272155.gBRLtWD7013508@shay.ecn.purdue.edu> Subject: [PATCH] dm.c : Check memory allocations To: joe@fib011235813.fsnet.co.uk (Joe Thornber) Date: Fri, 27 Dec 2002 16:55:31 -0500 (EST) Cc: dm-devel@sistina.com, linux-kernel@vger.kernel.org X-Mailer: ELM [version 2.5 PL2] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 880 Lines: 31 Check memory allocations when cloning bio's. --- linux-2.5.53a/drivers/md/dm.c Mon Dec 23 23:21:04 2002 +++ linux-2.5.53b/drivers/md/dm.c Fri Dec 27 14:50:29 2002 @@ -394,6 +393,10 @@ */ clone = clone_bio(bio, ci->sector, ci->idx, bio->bi_vcnt - ci->idx, ci->sector_count); + if (!clone) { + dec_pending(ci->io, -ENOMEM); + return; + } __map_bio(ti, clone, ci->io); ci->sector_count = 0; @@ -417,6 +420,10 @@ } clone = clone_bio(bio, ci->sector, ci->idx, i - ci->idx, len); + if (!clone) { + dec_pending(ci->io, -ENOMEM); + return; + } __map_bio(ti, clone, ci->io); ci->sector += len; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/