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net: hns3: add check NULL address for page pool
authorHao Chen <chenhao288@hisilicon.com>
Fri, 26 Nov 2021 12:03:16 +0000 (20:03 +0800)
committerJakub Kicinski <kuba@kernel.org>
Fri, 26 Nov 2021 19:36:29 +0000 (11:36 -0800)
commitb8af344cfea189cdc0fef41345e55aed76723615
tree9366aaeb6fe10e6bfa8897e6c5b80c1a27799503
parent8d2ad993aa05c0768f00c886c9d369cd97a337ac
net: hns3: add check NULL address for page pool

When page pool is not enabled, its address value is still NULL and page
pool should not be accessed, so add a check for it.

Fixes: 850bfb912a6d ("net: hns3: debugfs add support dumping page pool info")
Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c