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Subject[libata-dev #upstream-fixes] pata_legacy: don't call ata_host_detach() after initialization failure
ata_host_detach() detaches an attached port and shouldn't be called on
a port which hasn't been attached yet. pata_legacy incorrectly calls
ata_host_detach() on unattached port after initialization failure
causing oops. Fix it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arjan van de Ven <arjan@infradead.org>
---
drivers/ata/pata_legacy.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index 333dc15..7383f19 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -1278,8 +1278,6 @@ static __init int legacy_init_one(struct legacy_probe *probe)
}
}
fail:
- if (host)
- ata_host_detach(host);
platform_device_unregister(pdev);
return ret;
}

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