net: dsa: lantiq_gswip: fix use-after-free on failed probe

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Make sure to disable and deregister the switch on late probe errors to
avoid use-after-free when the device-resource-managed switch is freed.

Fixes: 14fceff477 ("net: dsa: Add Lantiq / Intel DSA driver for vrx200")
Cc: stable <stable@vger.kernel.org>	# 4.20
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Johan Hovold 2019-01-16 11:23:33 +01:00 • committed by David S. Miller

parent 5fb1beecea

commit aed13f2e00

1 changed files with 4 additions and 1 deletions

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drivers/net/dsa/lantiq_gswip.c

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