From acdfb480ba7e2779bdbffb5280cf12ff6e43669c Mon Sep 17 00:00:00 2001 From: Kevin Wolf Date: Mon, 18 Mar 2013 13:08:10 +0100 Subject: qcow2: Fix segfault in qcow2_invalidate_cache Need to pass an options QDict to qcow2_open() now. This fixes a segfault on the migration target with qcow2. Signed-off-by: Kevin Wolf --- block/qcow2.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'block/qcow2.c') diff --git a/block/qcow2.c b/block/qcow2.c index 1f99866cf4..98bb7f31bf 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -29,6 +29,7 @@ #include "block/qcow2.h" #include "qemu/error-report.h" #include "qapi/qmp/qerror.h" +#include "qapi/qmp/qbool.h" #include "trace.h" /* @@ -520,7 +521,7 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags) goto fail; } - s->use_lazy_refcounts = qemu_opt_get_bool(opts, "lazy_refcounts", + s->use_lazy_refcounts = qemu_opt_get_bool(opts, QCOW2_OPT_LAZY_REFCOUNTS, (s->compatible_features & QCOW2_COMPAT_LAZY_REFCOUNTS)); qemu_opts_del(opts); @@ -930,6 +931,7 @@ static void qcow2_invalidate_cache(BlockDriverState *bs) AES_KEY aes_encrypt_key; AES_KEY aes_decrypt_key; uint32_t crypt_method = 0; + QDict *options; /* * Backing files are read-only which makes all of their metadata immutable, @@ -944,8 +946,14 @@ static void qcow2_invalidate_cache(BlockDriverState *bs) qcow2_close(bs); + options = qdict_new(); + qdict_put(options, QCOW2_OPT_LAZY_REFCOUNTS, + qbool_from_int(s->use_lazy_refcounts)); + memset(s, 0, sizeof(BDRVQcowState)); - qcow2_open(bs, NULL, flags); + qcow2_open(bs, options, flags); + + QDECREF(options); if (crypt_method) { s->crypt_method = crypt_method; -- cgit v1.2.1