mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-13 03:56:25 +00:00
net: mscc: ocelot: check return value after calling platform_get_resource()
[ 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>
This commit is contained in:
parent
f3b96f4b6b
commit
92820a1282
1 changed files with 5 additions and 0 deletions
|
@ -1214,6 +1214,11 @@ static int seville_probe(struct platform_device *pdev)
|
|||
felix->info = &seville_info_vsc9953;
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
if (!res) {
|
||||
err = -EINVAL;
|
||||
dev_err(&pdev->dev, "Invalid resource\n");
|
||||
goto err_alloc_felix;
|
||||
}
|
||||
felix->switch_base = res->start;
|
||||
|
||||
ds = kzalloc(sizeof(struct dsa_switch), GFP_KERNEL);
|
||||
|
|
Loading…
Reference in a new issue