From cccb7967bdf19f9d31e65d2d07d4d311e07545c4 Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Thu, 12 Feb 2015 16:37:44 +0100 Subject: [PATCH] QemuOpts: Convert qemu_opt_set_bool() to Error, fix its use Return the Error object instead of reporting it with qerror_report_err(). Change callers that assume the function can't fail to pass &error_abort, so that should the assumption ever break, it'll break noisily. Turns out all callers outside its unit test assume that. We could drop the Error ** argument, but that would make the interface less regular, so don't. Signed-off-by: Markus Armbruster Reviewed-by: Eric Blake --- blockdev.c | 6 +++--- include/qemu/option.h | 3 ++- tests/test-qemu-opts.c | 10 +++++----- util/qemu-option.c | 9 ++++----- util/qemu-sockets.c | 4 ++-- vl.c | 5 +++-- 6 files changed, 19 insertions(+), 18 deletions(-) diff --git a/blockdev.c b/blockdev.c index ae73539551..79c33ab423 100644 --- a/blockdev.c +++ b/blockdev.c @@ -737,15 +737,15 @@ DriveInfo *drive_new(QemuOpts *all_opts, BlockInterfaceType block_default_type) /* Specific options take precedence */ if (!qemu_opt_get(all_opts, "cache.writeback")) { qemu_opt_set_bool(all_opts, "cache.writeback", - !!(flags & BDRV_O_CACHE_WB)); + !!(flags & BDRV_O_CACHE_WB), &error_abort); } if (!qemu_opt_get(all_opts, "cache.direct")) { qemu_opt_set_bool(all_opts, "cache.direct", - !!(flags & BDRV_O_NOCACHE)); + !!(flags & BDRV_O_NOCACHE), &error_abort); } if (!qemu_opt_get(all_opts, "cache.no-flush")) { qemu_opt_set_bool(all_opts, "cache.no-flush", - !!(flags & BDRV_O_NO_FLUSH)); + !!(flags & BDRV_O_NO_FLUSH), &error_abort); } qemu_opt_unset(all_opts, "cache"); } diff --git a/include/qemu/option.h b/include/qemu/option.h index 58c0157ed5..320687494a 100644 --- a/include/qemu/option.h +++ b/include/qemu/option.h @@ -97,7 +97,8 @@ int qemu_opt_unset(QemuOpts *opts, const char *name); int qemu_opt_set(QemuOpts *opts, const char *name, const char *value); void qemu_opt_set_err(QemuOpts *opts, const char *name, const char *value, Error **errp); -int qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val); +void qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val, + Error **errp); int qemu_opt_set_number(QemuOpts *opts, const char *name, int64_t val); typedef int (*qemu_opt_loopfunc)(const char *name, const char *value, void *opaque); int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque, diff --git a/tests/test-qemu-opts.c b/tests/test-qemu-opts.c index ca08ac523d..6b0ae333d4 100644 --- a/tests/test-qemu-opts.c +++ b/tests/test-qemu-opts.c @@ -169,10 +169,10 @@ static void test_qemu_opt_get(void) static void test_qemu_opt_get_bool(void) { + Error *err = NULL; QemuOptsList *list; QemuOpts *opts; bool opt; - int ret; list = qemu_find_opts("opts_list_02"); g_assert(list != NULL); @@ -192,16 +192,16 @@ static void test_qemu_opt_get_bool(void) opt = qemu_opt_get_bool(opts, "bool1", false); g_assert(opt == false); - ret = qemu_opt_set_bool(opts, "bool1", true); - g_assert(ret == 0); + qemu_opt_set_bool(opts, "bool1", true, &err); + g_assert(!err); /* now we have set bool1, should know about it */ opt = qemu_opt_get_bool(opts, "bool1", false); g_assert(opt == true); /* having reset the value, opt should be the reset one not defval */ - ret = qemu_opt_set_bool(opts, "bool1", false); - g_assert(ret == 0); + qemu_opt_set_bool(opts, "bool1", false, &err); + g_assert(!err); opt = qemu_opt_get_bool(opts, "bool1", true); g_assert(opt == false); diff --git a/util/qemu-option.c b/util/qemu-option.c index d3ab65d24f..4de83261f6 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -568,7 +568,8 @@ void qemu_opt_set_err(QemuOpts *opts, const char *name, const char *value, opt_set(opts, name, value, false, errp); } -int qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val) +void qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val, + Error **errp) { QemuOpt *opt; const QemuOptDesc *desc = opts->list->desc; @@ -576,9 +577,9 @@ int qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val) opt = g_malloc0(sizeof(*opt)); opt->desc = find_desc_by_name(desc, name); if (!opt->desc && !opts_accepts_any(opts)) { - qerror_report(QERR_INVALID_PARAMETER, name); + error_set(errp, QERR_INVALID_PARAMETER, name); g_free(opt); - return -1; + return; } opt->name = g_strdup(name); @@ -586,8 +587,6 @@ int qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val) opt->value.boolean = !!val; opt->str = g_strdup(val ? "on" : "off"); QTAILQ_INSERT_TAIL(&opts->head, opt, next); - - return 0; } int qemu_opt_set_number(QemuOpts *opts, const char *name, int64_t val) diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c index 61fc3c1364..7205dad820 100644 --- a/util/qemu-sockets.c +++ b/util/qemu-sockets.c @@ -580,8 +580,8 @@ static void inet_addr_to_opts(QemuOpts *opts, const InetSocketAddress *addr) bool ipv6 = addr->ipv6 || !addr->has_ipv6; if (!ipv4 || !ipv6) { - qemu_opt_set_bool(opts, "ipv4", ipv4); - qemu_opt_set_bool(opts, "ipv6", ipv6); + qemu_opt_set_bool(opts, "ipv4", ipv4, &error_abort); + qemu_opt_set_bool(opts, "ipv6", ipv6, &error_abort); } if (addr->has_to) { char to[20]; diff --git a/vl.c b/vl.c index e1ffd0a96a..27e738a89e 100644 --- a/vl.c +++ b/vl.c @@ -2222,7 +2222,7 @@ static void monitor_parse(const char *optarg, const char *mode, bool pretty) } qemu_opt_set(opts, "mode", mode); qemu_opt_set(opts, "chardev", label); - qemu_opt_set_bool(opts, "pretty", pretty); + qemu_opt_set_bool(opts, "pretty", pretty, &error_abort); if (def) qemu_opt_set(opts, "default", "on"); monitor_device_index++; @@ -3287,7 +3287,8 @@ int main(int argc, char **argv, char **envp) } qemu_opt_set_bool(fsdev, "readonly", - qemu_opt_get_bool(opts, "readonly", 0)); + qemu_opt_get_bool(opts, "readonly", 0), + &error_abort); device = qemu_opts_create(qemu_find_opts("device"), NULL, 0, &error_abort); qemu_opt_set(device, "driver", "virtio-9p-pci");