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[Qemu-devel] [PATCH qom v4 04/13] qom: Allow clearing of a Link property
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH qom v4 04/13] qom: Allow clearing of a Link property |
Date: |
Fri, 17 Oct 2014 18:24:46 +0200 |
From: Peter Crosthwaite <address@hidden>
By passing in "" to object_property_set_link.
The lead user of this is the QDEV GPIO framework which will implement
GPIO disconnects via an "unlink". GPIO disconnection is used by
qtest's irq_intercept_out command.
Reviewed-by: Alexander Graf <address@hidden>
Signed-off-by: Peter Crosthwaite <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
v3->v4: pass an empty string, not NULL
---
qom/object.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/qom/object.c b/qom/object.c
index da0919a..7d617da 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -870,9 +870,13 @@ char *object_property_get_str(Object *obj, const char
*name,
void object_property_set_link(Object *obj, Object *value,
const char *name, Error **errp)
{
- gchar *path = object_get_canonical_path(value);
- object_property_set_str(obj, path, name, errp);
- g_free(path);
+ if (value) {
+ gchar *path = object_get_canonical_path(value);
+ object_property_set_str(obj, path, name, errp);
+ g_free(path);
+ } else {
+ object_property_set_str(obj, "", name, errp);
+ }
}
Object *object_property_get_link(Object *obj, const char *name,
--
2.1.0
- [Qemu-devel] [PATCH qom v4 00/13] GPIO/IRQ QOMification: Phase 2 - Getting rid of SYSBUS IRQs, Paolo Bonzini, 2014/10/17
- [Qemu-devel] [PATCH qom v4 02/13] qdev: gpio: Register GPIO inputs as child objects, Paolo Bonzini, 2014/10/17
- [Qemu-devel] [PATCH qom v4 03/13] qdev: gpio: Register GPIO outputs as QOM links, Paolo Bonzini, 2014/10/17
- [Qemu-devel] [PATCH qom v4 01/13] qdev: gpio: Don't allow name share between I and O, Paolo Bonzini, 2014/10/17
- [Qemu-devel] [PATCH qom v4 04/13] qom: Allow clearing of a Link property,
Paolo Bonzini <=
- [Qemu-devel] [PATCH qom v4 05/13] qom: Demote already-has-a-parent to a regular error, Paolo Bonzini, 2014/10/17
- [Qemu-devel] [PATCH qom v4 06/13] qdev: gpio: Re-implement qdev_connect_gpio QOM style, Paolo Bonzini, 2014/10/17
- [Qemu-devel] [PATCH qom v4 07/13] qdev: gpio: Add API for intercepting a GPIO, Paolo Bonzini, 2014/10/17
- [Qemu-devel] [PATCH qom v4 08/13] qtest/irq: Rework IRQ interception, Paolo Bonzini, 2014/10/17
- [Qemu-devel] [PATCH qom v4 09/13] irq: Remove qemu_irq_intercept_out, Paolo Bonzini, 2014/10/17
- [Qemu-devel] [PATCH qom v4 10/13] qdev: gpio: delete NamedGPIOList::out, Paolo Bonzini, 2014/10/17
- [Qemu-devel] [PATCH qom v4 11/13] qdev: gpio: Remove qdev_init_gpio_out x1 restriction, Paolo Bonzini, 2014/10/17
- [Qemu-devel] [PATCH qom v4 12/13] qdev: gpio: Define qdev_pass_gpios(), Paolo Bonzini, 2014/10/17
- [Qemu-devel] [PATCH qom v4 13/13] sysbus: Use TYPE_DEVICE GPIO functionality, Paolo Bonzini, 2014/10/17
- Re: [Qemu-devel] [PATCH qom v4 00/13] GPIO/IRQ QOMification: Phase 2 - Getting rid of SYSBUS IRQs, Peter Crosthwaite, 2014/10/19