UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

usb: ohci-s3c2410: Convert to platform remove callback returning void 

The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart from
emitting a warning) and this typically results in resource leaks. To improve
here there is a quest to make the remove callback return void. In the first
step of this quest all drivers are converted to .remove_new() which already
returns void. Eventually after all drivers are converted, .remove_new() is
renamed to .remove().

Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230517230239.187727-73-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Uwe Kleine-König 2023-05-18 01:02:14 +02:00 committed by Greg Kroah-Hartman
parent 8c5f41ac18
commit a0f2863ab3
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/usb/host/ohci-s3c2410.c
View File

@ -329,7 +329,7 @@ static void s3c2410_hcd_oc(struct s3c2410_hcd_info *info, int port_oc)
* the HCD's stop() method. It is always called from a thread
* context, normally "rmmod", "apmd", or something similar.
*/
static int
static void
ohci_hcd_s3c2410_remove(struct platform_device *dev)
{
struct usb_hcd *hcd = platform_get_drvdata(dev);
@ -337,7 +337,6 @@ ohci_hcd_s3c2410_remove(struct platform_device *dev)
usb_remove_hcd(hcd);
s3c2410_stop_hc(dev);
usb_put_hcd(hcd);
return 0;
}
/*
@ -458,7 +457,7 @@ MODULE_DEVICE_TABLE(of, ohci_hcd_s3c2410_dt_ids);
static struct platform_driver ohci_hcd_s3c2410_driver = {
.probe = ohci_hcd_s3c2410_probe,
.remove = ohci_hcd_s3c2410_remove,
.remove_new = ohci_hcd_s3c2410_remove,
.shutdown = usb_hcd_platform_shutdown,
.driver = {
.name = "s3c2410-ohci",