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| author |   Yang Yingliang <yangyingliang@huawei.com> | 2021-06-10 16:02:43 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-06-10 13:53:13 -0700 |
| commit | f18c11812c949553d2b2481ecaa274dd51bed1e7 (patch) | |
| tree | 23628b91b863baee239558b13c670c456308bf71 /drivers/net/fjes | |
| parent | net: axienet: Use devm_platform_get_and_ioremap_resource() (diff) | |
| download | linux-dev-f18c11812c949553d2b2481ecaa274dd51bed1e7.tar.xz linux-dev-f18c11812c949553d2b2481ecaa274dd51bed1e7.zip | |
fjes: check return value after calling platform_get_resource()
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>
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 d098b1fcf006..185c8a398681 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -1254,6 +1254,10 @@ 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); |