From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:55287) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QjXXg-0002P3-5k for qemu-devel@nongnu.org; Wed, 20 Jul 2011 10:14:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QjXXd-00006S-Hp for qemu-devel@nongnu.org; Wed, 20 Jul 2011 10:14:27 -0400 Received: from mail-iw0-f173.google.com ([209.85.214.173]:40181) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QjXIy-0004RL-Gf for qemu-devel@nongnu.org; Wed, 20 Jul 2011 09:59:16 -0400 Received: by iwn3 with SMTP id 3so231137iwn.4 for ; Wed, 20 Jul 2011 06:59:15 -0700 (PDT) From: Frediano Ziglio Date: Wed, 20 Jul 2011 15:56:28 +0200 Message-Id: <1311170189-29734-5-git-send-email-freddy77@gmail.com> In-Reply-To: <1311170189-29734-1-git-send-email-freddy77@gmail.com> References: <1311170189-29734-1-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