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

ata: pata_ep93xx: 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>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
This commit is contained in:
Uwe Kleine-König 2023-07-31 11:16:26 +02:00 committed by Damien Le Moal
parent 843b62f41c
commit 3e981d936a
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/ata/pata_ep93xx.c
View File

@ -1004,7 +1004,7 @@ err_rel_gpio:
return err;
}
static int ep93xx_pata_remove(struct platform_device *pdev)
static void ep93xx_pata_remove(struct platform_device *pdev)
{
struct ata_host *host = platform_get_drvdata(pdev);
struct ep93xx_pata_data *drv_data = host->private_data;
@ -1013,7 +1013,6 @@ static int ep93xx_pata_remove(struct platform_device *pdev)
ep93xx_pata_release_dma(drv_data);
ep93xx_pata_clear_regs(drv_data->ide_base);
ep93xx_ide_release_gpio(pdev);
return 0;
}
static struct platform_driver ep93xx_pata_platform_driver = {
@ -1021,7 +1020,7 @@ static struct platform_driver ep93xx_pata_platform_driver = {
.name = DRV_NAME,
},
.probe = ep93xx_pata_probe,
.remove = ep93xx_pata_remove,
.remove_new = ep93xx_pata_remove,
};
module_platform_driver(ep93xx_pata_platform_driver);