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Diffstat (limited to 'block/qcow.c')
-rw-r--r--block/qcow.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/block/qcow.c b/block/qcow.c
index 409c700d33..10d2cf14b3 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -31,6 +31,7 @@
#include "qemu/module.h"
#include "qemu/option.h"
#include "qemu/bswap.h"
+#include "qemu/cutils.h"
#include <zlib.h>
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qstring.h"
@@ -295,11 +296,13 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags,
goto fail;
}
ret = bdrv_pread(bs->file, header.backing_file_offset,
- bs->backing_file, len);
+ bs->auto_backing_file, len);
if (ret < 0) {
goto fail;
}
- bs->backing_file[len] = '\0';
+ bs->auto_backing_file[len] = '\0';
+ pstrcpy(bs->backing_file, sizeof(bs->backing_file),
+ bs->auto_backing_file);
}
/* Disable migration when qcow images are used */
@@ -1170,6 +1173,12 @@ static QemuOptsList qcow_create_opts = {
}
};
+static const char *const qcow_strong_runtime_opts[] = {
+ "encrypt." BLOCK_CRYPTO_OPT_QCOW_KEY_SECRET,
+
+ NULL
+};
+
static BlockDriver bdrv_qcow = {
.format_name = "qcow",
.instance_size = sizeof(BDRVQcowState),
@@ -1193,6 +1202,7 @@ static BlockDriver bdrv_qcow = {
.bdrv_get_info = qcow_get_info,
.create_opts = &qcow_create_opts,
+ .strong_runtime_opts = qcow_strong_runtime_opts,
};
static void bdrv_qcow_init(void)