From: Uwe Kleine-König Date: Sat, 18 Mar 2023 23:53:52 +0000 (+0100) Subject: fbdev: ffb: Convert to platform remove callback returning void X-Git-Tag: v6.6.17~5007^2~42 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b917b0a9c6b92e0abb4e07a9568cd93df831b7ff;p=platform%2Fkernel%2Flinux-rpi.git fbdev: ffb: 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 (mostly) ignored 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. Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Signed-off-by: Helge Deller --- diff --git a/drivers/video/fbdev/ffb.c b/drivers/video/fbdev/ffb.c index 7cba396..c6d3111 100644 --- a/drivers/video/fbdev/ffb.c +++ b/drivers/video/fbdev/ffb.c @@ -1023,7 +1023,7 @@ out_err: return err; } -static int ffb_remove(struct platform_device *op) +static void ffb_remove(struct platform_device *op) { struct fb_info *info = dev_get_drvdata(&op->dev); struct ffb_par *par = info->par; @@ -1035,8 +1035,6 @@ static int ffb_remove(struct platform_device *op) of_iounmap(&op->resource[1], par->dac, sizeof(struct ffb_dac)); framebuffer_release(info); - - return 0; } static const struct of_device_id ffb_match[] = { @@ -1056,7 +1054,7 @@ static struct platform_driver ffb_driver = { .of_match_table = ffb_match, }, .probe = ffb_probe, - .remove = ffb_remove, + .remove_new = ffb_remove, }; static int __init ffb_init(void)