diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2021-06-10 16:02:43 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-19 08:53:10 +0200 |
| commit | 91f6b357e9c1140157d184c58f518eca5d257210 (patch) | |
| tree | f67ab14ddc58b36275c426d0b64c8e46828d3171 /drivers/net/fjes | |
| parent | 2c028cee95a46e24a07616adfcc697bc86e249a8 (diff) | |
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: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/fjes')
| -rw-r--r-- | drivers/net/fjes/fjes_main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index 91a1059517f5..b89b4a3800a4 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -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); |