From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:40027) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QjReq-0005MY-9v for qemu-devel@nongnu.org; Wed, 20 Jul 2011 03:57:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QjReo-0004dP-Ka for qemu-devel@nongnu.org; Wed, 20 Jul 2011 03:57:28 -0400 Received: from mail-ew0-f45.google.com ([209.85.215.45]:42865) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QjReo-0004YT-2o for qemu-devel@nongnu.org; Wed, 20 Jul 2011 03:57:26 -0400 Received: by mail-ew0-f45.google.com with SMTP id 24so434493ewy.4 for ; Wed, 20 Jul 2011 00:57:25 -0700 (PDT) From: Frediano Ziglio Date: Wed, 20 Jul 2011 09:57:03 +0200 Message-Id: <1311148624-5640-5-git-send-email-freddy77@gmail.com> In-Reply-To: <1311148624-5640-1-git-send-email-freddy77@gmail.com> References: <1311148624-5640-1-git-send-email-freddy77@gmail.com> Subject: [Qemu-devel] [RFC PATCH 4/5] avoid dandling pointers List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Kevin Wolf , Frediano Ziglio Signed-off-by: Frediano Ziglio --- block/qcow.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/block/qcow.c b/block/qcow.c index 8ccd7d7..007fb57 100644 --- a/block/qcow.c +++ b/block/qcow.c @@ -616,6 +616,7 @@ static int qcow_co_readv(BlockDriverState *bs, int64_t sector_num, if (acb.qiov->niov > 1) { qemu_iovec_from_buffer(acb.qiov, acb.orig_buf, acb.qiov->size); qemu_vfree(acb.orig_buf); + acb.orig_buf = NULL; } return ret; @@ -700,6 +701,7 @@ static int qcow_co_writev(BlockDriverState *bs, int64_t sector_num, if (acb.qiov->niov > 1) { qemu_vfree(acb.orig_buf); + acb.orig_buf = NULL; } return ret; -- 1.7.1