qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Kevin Wolf <kwolf@redhat.com>
To: anthony@codemonkey.ws
Cc: kwolf@redhat.com, qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH 11/20] VMDK: fix leak of extent_file
Date: Tue, 20 Sep 2011 13:11:43 +0200	[thread overview]
Message-ID: <1316517112-9908-12-git-send-email-kwolf@redhat.com> (raw)
In-Reply-To: <1316517112-9908-1-git-send-email-kwolf@redhat.com>

From: Fam Zheng <famcool@gmail.com>

Release extent_file on error in vmdk_parse_extents. Added closing files
in freeing extents.

Signed-off-by: Fam Zheng <famcool@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/vmdk.c |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/block/vmdk.c b/block/vmdk.c
index 6c8edfc..5d16ec4 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -179,11 +179,16 @@ static void vmdk_free_extents(BlockDriverState *bs)
 {
     int i;
     BDRVVmdkState *s = bs->opaque;
+    VmdkExtent *e;
 
     for (i = 0; i < s->num_extents; i++) {
-        g_free(s->extents[i].l1_table);
-        g_free(s->extents[i].l2_cache);
-        g_free(s->extents[i].l1_backup_table);
+        e = &s->extents[i];
+        g_free(e->l1_table);
+        g_free(e->l2_cache);
+        g_free(e->l1_backup_table);
+        if (e->file != bs->file) {
+            bdrv_delete(e->file);
+        }
     }
     g_free(s->extents);
 }
@@ -619,12 +624,13 @@ static int vmdk_open_desc_file(BlockDriverState *bs, int flags,
     s->desc_offset = 0;
     ret = vmdk_parse_extents(buf, bs, bs->file->filename);
     if (ret) {
+        vmdk_free_extents(bs);
         return ret;
     }
 
     /* try to open parent images, if exist */
     if (vmdk_parent_open(bs)) {
-        g_free(s->extents);
+        vmdk_free_extents(bs);
         return -EINVAL;
     }
     s->parent_cid = vmdk_read_cid(bs, 1);
-- 
1.7.6.2

  parent reply	other threads:[~2011-09-20 11:09 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-20 11:11 [Qemu-devel] [PULL 00/20] Block patches Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 01/20] nbd: support feature negotiation Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 02/20] nbd: sync API definitions with upstream Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 03/20] nbd: support NBD_SET_FLAGS ioctl Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 04/20] raw-posix: Fix bdrv_flush error return values Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 05/20] scsi-generic: do not disable FUA Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 06/20] dma-helpers: rename is_write to to_dev Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 07/20] dma-helpers: allow including from target-independent code Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 08/20] dma-helpers: rewrite completion/cancellation Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 09/20] scsi-disk: commonize iovec creation between reads and writes Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 10/20] scsi-disk: lazily allocate bounce buffer Kevin Wolf
2011-09-20 11:11 ` Kevin Wolf [this message]
2011-09-20 11:11 ` [Qemu-devel] [PATCH 12/20] posix-aio-compat: Removed unused offset variable Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 13/20] AHCI Port Interrupt Enable register cleaning on soft reset Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 14/20] rbd: ignore failures when reading from default conf location Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 15/20] rbd: update comment heading Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 16/20] rbd: call flush, if available Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 17/20] scsi: fix sign extension problems Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 18/20] block: avoid SIGUSR2 Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 19/20] linux-aio: remove process requests callback Kevin Wolf
2011-09-20 11:11 ` [Qemu-devel] [PATCH 20/20] rbd: allow escaping in config string Kevin Wolf
2011-09-20 20:39 ` [Qemu-devel] [PULL 00/20] Block patches Anthony Liguori

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1316517112-9908-12-git-send-email-kwolf@redhat.com \
    --to=kwolf@redhat.com \
    --cc=anthony@codemonkey.ws \
    --cc=qemu-devel@nongnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).