net: mscc: ocelot: check return value after calling platform_get_resource()

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[ Upstream commit f1fe19c2cb ]

It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Yang Yingliang 2021-06-05 10:31:48 +08:00 • committed by Greg Kroah-Hartman

parent e8f03933f5

commit 43630cbcd7

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drivers/net/dsa/ocelot/seville_vsc9953.c

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