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Commit 91f6b357 authored by Yang Yingliang's avatar Yang Yingliang Committed by Greg Kroah-Hartman
Browse files

fjes: check return value after calling platform_get_resource() 



[ Upstream commit f18c11812c949553d2b2481ecaa274dd51bed1e7 ]

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

Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 2c028cee

drivers/net/fjes/fjes_main.c

+4 −0
Original line number Diff line number Diff line
@@ -1262,6 +1262,10 @@ static int fjes_probe(struct platform_device *plat_dev) 
	adapter->interrupt_watch_enable = false;



	res = platform_get_resource(plat_dev, IORESOURCE_MEM, 0);

	if (!res) {

		err = -EINVAL;

		goto err_free_control_wq;

	}

	hw->hw_res.start = res->start;

	hw->hw_res.size = resource_size(res);

	hw->hw_res.irq = platform_get_irq(plat_dev, 0);