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[46/51] video: fbdev: vga16fb: Convert to platform remove callback returning void

Message ID 20230318235428.272091-47-u.kleine-koenig@pengutronix.de (mailing list archive)
State In Next
Headers show
Series video: fbdev: Convert to platform remove callback returning void | expand

Commit Message

Uwe Kleine-König March 18, 2023, 11:54 p.m. UTC 
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 <u.kleine-koenig@pengutronix.de>
---
 drivers/video/fbdev/vga16fb.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/video/fbdev/vga16fb.c b/drivers/video/fbdev/vga16fb.c
index 1a8ffdb2be26..34d00347ad58 100644
--- a/drivers/video/fbdev/vga16fb.c
+++ b/drivers/video/fbdev/vga16fb.c
@@ -1401,14 +1401,12 @@  static int vga16fb_probe(struct platform_device *dev)
 	return ret;
 }
 
-static int vga16fb_remove(struct platform_device *dev)
+static void vga16fb_remove(struct platform_device *dev)
 {
 	struct fb_info *info = platform_get_drvdata(dev);
 
 	if (info)
 		unregister_framebuffer(info);
-
-	return 0;
 }
 
 static const struct platform_device_id vga16fb_driver_id_table[] = {
@@ -1420,7 +1418,7 @@  MODULE_DEVICE_TABLE(platform, vga16fb_driver_id_table);
 
 static struct platform_driver vga16fb_driver = {
 	.probe = vga16fb_probe,
-	.remove = vga16fb_remove,
+	.remove_new = vga16fb_remove,
 	.driver = {
 		.name = "vga16fb",
 	},