Commit 7079b348 authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Greg Kroah-Hartman
Browse files

staging: fieldbus: Fix the error handling path in anybuss_host_common_probe() 



If device_register() fails, device_unregister() should not be called
because it will free some resources that are not allocated.
put_device() should be used instead.

Fixes: 308ee87a ("staging: fieldbus: anybus-s: support HMS Anybus-S bus")
Signed-off-by: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/5401a519608d6e1a4e7435c20f4f20b0c5c36c23.1650610082.git.christophe.jaillet@wanadoo.fr


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 15210fd3

drivers/staging/fieldbus/anybuss/host.c

+1 −1
Original line number Diff line number Diff line
@@ -1384,7 +1384,7 @@ anybuss_host_common_probe(struct device *dev, 
		goto err_device;

	return cd;

err_device:

	device_unregister(&cd->client->dev);

	put_device(&cd->client->dev);

err_kthread:

	kthread_stop(cd->qthread);

err_reset: