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Diffstat (limited to 'block')
-rw-r--r--block/blkdebug.c1
-rw-r--r--block/blkverify.c2
-rw-r--r--block/qcow2.c14
-rw-r--r--block/vmdk.c5
-rw-r--r--block/vvfat.c6
5 files changed, 16 insertions, 12 deletions
diff --git a/block/blkdebug.c b/block/blkdebug.c
index ee10013362..46bd086da9 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -410,6 +410,7 @@ static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags,
s->state = 1;
/* Open the backing file */
+ assert(bs->file == NULL);
ret = bdrv_open_image(&bs->file, qemu_opt_get(opts, "x-image"), options, "image",
flags, true, false, &local_err);
if (ret < 0) {
diff --git a/block/blkverify.c b/block/blkverify.c
index 1563c88324..7d8a32ec79 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -135,6 +135,7 @@ static int blkverify_open(BlockDriverState *bs, QDict *options, int flags,
}
/* Open the raw file */
+ assert(bs->file == NULL);
ret = bdrv_open_image(&bs->file, qemu_opt_get(opts, "x-raw"), options,
"raw", flags, true, false, &local_err);
if (ret < 0) {
@@ -143,6 +144,7 @@ static int blkverify_open(BlockDriverState *bs, QDict *options, int flags,
}
/* Open the test file */
+ assert(s->test_file == NULL);
ret = bdrv_open_image(&s->test_file, qemu_opt_get(opts, "x-image"), options,
"test", flags, false, false, &local_err);
if (ret < 0) {
diff --git a/block/qcow2.c b/block/qcow2.c
index b1dbdb120e..309ea12b7d 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -1543,7 +1543,8 @@ static int qcow2_create2(const char *filename, int64_t total_size,
goto out;
}
- bdrv_close(bs);
+ bdrv_unref(bs);
+ bs = NULL;
/*
* And now open the image and make it consistent first (i.e. increase the
@@ -1552,7 +1553,7 @@ static int qcow2_create2(const char *filename, int64_t total_size,
*/
BlockDriver* drv = bdrv_find_format("qcow2");
assert(drv != NULL);
- ret = bdrv_open(bs, filename, NULL,
+ ret = bdrv_open(&bs, filename, NULL,
BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_NO_FLUSH, drv, &local_err);
if (ret < 0) {
error_propagate(errp, local_err);
@@ -1599,10 +1600,11 @@ static int qcow2_create2(const char *filename, int64_t total_size,
}
}
- bdrv_close(bs);
+ bdrv_unref(bs);
+ bs = NULL;
/* Reopen the image without BDRV_O_NO_FLUSH to flush it before returning */
- ret = bdrv_open(bs, filename, NULL,
+ ret = bdrv_open(&bs, filename, NULL,
BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_NO_BACKING,
drv, &local_err);
if (local_err) {
@@ -1612,7 +1614,9 @@ static int qcow2_create2(const char *filename, int64_t total_size,
ret = 0;
out:
- bdrv_unref(bs);
+ if (bs) {
+ bdrv_unref(bs);
+ }
return ret;
}
diff --git a/block/vmdk.c b/block/vmdk.c
index ff6f5ee911..0622db51c4 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -1755,10 +1755,9 @@ static int vmdk_create(const char *filename, QEMUOptionParameter *options,
goto exit;
}
if (backing_file) {
- BlockDriverState *bs = bdrv_new("");
- ret = bdrv_open(bs, backing_file, NULL, BDRV_O_NO_BACKING, NULL, errp);
+ BlockDriverState *bs = NULL;
+ ret = bdrv_open(&bs, backing_file, NULL, BDRV_O_NO_BACKING, NULL, errp);
if (ret != 0) {
- bdrv_unref(bs);
goto exit;
}
if (strcmp(bs->drv->format_name, "vmdk")) {
diff --git a/block/vvfat.c b/block/vvfat.c
index a19e4ca227..0a9f886a20 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -2936,15 +2936,13 @@ static int enable_write_target(BDRVVVFATState *s)
goto err;
}
- s->qcow = bdrv_new("");
-
- ret = bdrv_open(s->qcow, s->qcow_filename, NULL,
+ s->qcow = NULL;
+ ret = bdrv_open(&s->qcow, s->qcow_filename, NULL,
BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_NO_FLUSH, bdrv_qcow,
&local_err);
if (ret < 0) {
qerror_report_err(local_err);
error_free(local_err);
- bdrv_unref(s->qcow);
goto err;
}