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From 66e996f40abbca9c62a262beeefb93b7b4c6e64f Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Sat, 8 Feb 2014 09:53:22 +0100
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Subject: [PATCH 32/37] blkdebug: Don't leak bs->file on failure
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Message-id: <1392117622-28812-33-git-send-email-kwolf@redhat.com>
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Patchwork-id: 57197
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O-Subject: [RHEL-7.0 qemu-kvm PATCH v2 32/37] blkdebug: Don't leak bs->file on failure
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Bugzilla: 748906
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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Reported-by: Laszlo Ersek <lersek@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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Conflicts:
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	block/blkdebug.c
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Conflicts because RHEL 7 doesn't have the blockdev-add support
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series for blkdebug.
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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---
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 block/blkdebug.c | 16 ++++++++++------
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 1 file changed, 10 insertions(+), 6 deletions(-)
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---
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 block/blkdebug.c |   16 ++++++++++------
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 1 files changed, 10 insertions(+), 6 deletions(-)
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diff --git a/block/blkdebug.c b/block/blkdebug.c
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index ccb562b..1e772a5 100644
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--- a/block/blkdebug.c
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+++ b/block/blkdebug.c
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@@ -367,7 +367,7 @@ static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags,
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     if (error_is_set(&local_err)) {
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         error_propagate(errp, local_err);
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         ret = -EINVAL;
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-        goto fail;
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+        goto out;
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     }
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     /* Read rules from config file */
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@@ -376,7 +376,7 @@ static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags,
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         ret = read_config(s, config);
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         if (ret < 0) {
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             error_setg_errno(errp, -ret, "Could not read blkdebug config file");
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-            goto fail;
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+            goto out;
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         }
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     }
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@@ -388,13 +388,13 @@ static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags,
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     if (filename == NULL) {
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         error_setg(errp, "Could not retrieve image file name");
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         ret = -EINVAL;
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-        goto fail;
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+        goto out;
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     }
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     ret = bdrv_file_open(&bs->file, filename, NULL, flags, &local_err);
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     if (ret < 0) {
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         error_propagate(errp, local_err);
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-        goto fail;
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+        goto out;
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     }
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     /* Set request alignment */
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@@ -404,11 +404,15 @@ static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags,
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     } else {
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         error_setg(errp, "Invalid alignment");
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         ret = -EINVAL;
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-        goto fail;
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+        goto fail_unref;
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     }
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     ret = 0;
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-fail:
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+    goto out;
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+
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+fail_unref:
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+    bdrv_unref(bs->file);
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+out:
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     qemu_opts_del(opts);
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     return ret;
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 }
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-- 
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1.7.1
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