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xen: make remove callback of xen driver void returned

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Since commit fc7a6209d5 ("bus: Make remove callback return void")
forces bus_type::remove be void-returned, it doesn't make much sense for
any bus based driver implementing remove callbalk to return non-void to
its caller.

This change is for xen bus based drivers.

Acked-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Dawei Li <set_pte_at@outlook.com>
Link: https://lore.kernel.org/r/TYCP286MB23238119AB4DF190997075C9CAE39@TYCP286MB2323.JPNP286.PROD.OUTLOOK.COM
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Dawei Li
2022-12-13 23:46:52 +08:00
committed by Juergen Gross
parent 8b997b2bb2
commit 7cffcade57
19 changed files with 22 additions and 47 deletions
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5
drivers/input/misc/xen-kbdfront.c
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@@ -51,7 +51,7 @@ module_param_array(ptr_size, int, NULL, 0444);
MODULE_PARM_DESC(ptr_size,
"Pointing device width, height in pixels (default 800,600)");
static int xenkbd_remove(struct xenbus_device *);
static void xenkbd_remove(struct xenbus_device *);
static int xenkbd_connect_backend(struct xenbus_device *, struct xenkbd_info *);
static void xenkbd_disconnect_backend(struct xenkbd_info *);
@@ -404,7 +404,7 @@ static int xenkbd_resume(struct xenbus_device *dev)
return xenkbd_connect_backend(dev, info);
}
static int xenkbd_remove(struct xenbus_device *dev)
static void xenkbd_remove(struct xenbus_device *dev)
{
struct xenkbd_info *info = dev_get_drvdata(&dev->dev);
@@ -417,7 +417,6 @@ static int xenkbd_remove(struct xenbus_device *dev)
input_unregister_device(info->mtouch);
free_page((unsigned long)info->page);
kfree(info);
return 0;
}
static int xenkbd_connect_backend(struct xenbus_device *dev,