* [PATCH] xen: remove redundant put_device
@ 2018-09-06 6:33 Ding Xiang
0 siblings, 0 replies; 3+ messages in thread
From: Ding Xiang @ 2018-09-06 6:33 UTC (permalink / raw)
To: boris.ostrovsky, jgross, xen-devel, linux-kernel
device_unregister will put device, do not need to do it one more time
Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
---
drivers/xen/xenbus/xenbus_probe.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 5b47188..cfaa878 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -369,7 +369,6 @@ static void xenbus_cleanup_devices(const char *path, struct bus_type *bus)
bus_for_each_dev(bus, NULL, &info, cleanup_dev);
if (info.dev) {
device_unregister(&info.dev->dev);
- put_device(&info.dev->dev);
}
} while (info.dev);
}
--
1.9.1
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^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] xen: remove redundant put_device
2018-09-06 6:33 Ding Xiang
@ 2018-09-06 9:47 ` Wei Liu
0 siblings, 0 replies; 3+ messages in thread
From: Wei Liu @ 2018-09-06 9:47 UTC (permalink / raw)
To: Ding Xiang; +Cc: jgross, xen-devel, boris.ostrovsky, Wei Liu, linux-kernel
On Thu, Sep 06, 2018 at 02:33:10PM +0800, Ding Xiang wrote:
> device_unregister will put device, do not need to do it one more time
>
> Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
> ---
> drivers/xen/xenbus/xenbus_probe.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
> index 5b47188..cfaa878 100644
> --- a/drivers/xen/xenbus/xenbus_probe.c
> +++ b/drivers/xen/xenbus/xenbus_probe.c
> @@ -369,7 +369,6 @@ static void xenbus_cleanup_devices(const char *path, struct bus_type *bus)
> bus_for_each_dev(bus, NULL, &info, cleanup_dev);
> if (info.dev) {
> device_unregister(&info.dev->dev);
> - put_device(&info.dev->dev);
This is to match the get_device call in cleanup_dev. It is not redundant
IMHO.
Wei.
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH] xen: remove redundant put_device
@ 2018-09-06 6:33 Ding Xiang
2018-09-06 9:47 ` Wei Liu
0 siblings, 1 reply; 3+ messages in thread
From: Ding Xiang @ 2018-09-06 6:33 UTC (permalink / raw)
To: boris.ostrovsky, jgross, xen-devel, linux-kernel
device_unregister will put device, do not need to do it one more time
Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
---
drivers/xen/xenbus/xenbus_probe.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 5b47188..cfaa878 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -369,7 +369,6 @@ static void xenbus_cleanup_devices(const char *path, struct bus_type *bus)
bus_for_each_dev(bus, NULL, &info, cleanup_dev);
if (info.dev) {
device_unregister(&info.dev->dev);
- put_device(&info.dev->dev);
}
} while (info.dev);
}
--
1.9.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
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2018-09-06 9:47 ` Wei Liu
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