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authorMarkus Armbruster <armbru@redhat.com>2020-07-14 18:02:00 +0200
committerMarkus Armbruster <armbru@redhat.com>2020-07-21 16:23:43 +0200
commit7a309cc95b862be74711e7a35997daa3f885651a (patch)
tree1417043015cf7f35de0ebd21ff2d72a05a5b3b52 /iothread.c
parentaf3d69058e09bede9900f266a618ed11f76f49f3 (diff)
qom: Change object_get_canonical_path_component() not to malloc
object_get_canonical_path_component() returns a malloced copy of a property name on success, null on failure. 19 of its 25 callers immediately free the returned copy. Change object_get_canonical_path_component() to return the property name directly. Since modifying the name would be wrong, adjust the return type to const char *. Drop the free from the 19 callers become simpler, add the g_strdup() to the other six. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20200714160202.3121879-4-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Li Qiang <liq3ea@gmail.com>
Diffstat (limited to 'iothread.c')
-rw-r--r--iothread.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/iothread.c b/iothread.c
index 0598a6d20d..263ec6e5bc 100644
--- a/iothread.c
+++ b/iothread.c
@@ -165,7 +165,7 @@ static void iothread_complete(UserCreatable *obj, Error **errp)
{
Error *local_error = NULL;
IOThread *iothread = IOTHREAD(obj);
- char *name, *thread_name;
+ char *thread_name;
iothread->stopping = false;
iothread->running = true;
@@ -195,12 +195,11 @@ static void iothread_complete(UserCreatable *obj, Error **errp)
/* This assumes we are called from a thread with useful CPU affinity for us
* to inherit.
*/
- name = object_get_canonical_path_component(OBJECT(obj));
- thread_name = g_strdup_printf("IO %s", name);
+ thread_name = g_strdup_printf("IO %s",
+ object_get_canonical_path_component(OBJECT(obj)));
qemu_thread_create(&iothread->thread, thread_name, iothread_run,
iothread, QEMU_THREAD_JOINABLE);
g_free(thread_name);
- g_free(name);
/* Wait for initialization to complete */
while (iothread->thread_id == -1) {
@@ -303,7 +302,7 @@ type_init(iothread_register_types)
char *iothread_get_id(IOThread *iothread)
{
- return object_get_canonical_path_component(OBJECT(iothread));
+ return g_strdup(object_get_canonical_path_component(OBJECT(iothread)));
}
AioContext *iothread_get_aio_context(IOThread *iothread)