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

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[ Upstream commit 7079b3483a17be2cfba64cbd4feb1b7ae07f1ea7 ]

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: 308ee87a2f ("staging: fieldbus: anybus-s: support HMS Anybus-S bus")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/5401a519608d6e1a4e7435c20f4f20b0c5c36c23.1650610082.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET 2022-04-22 08:48:18 +02:00 committed by Greg Kroah-Hartman
parent b382c0c3b8
commit f9782b26d6
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/fieldbus/anybuss/host.c
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@ -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: