diff options
| author | Junxian Huang <huangjunxian6@hisilicon.com> | 2023-10-17 15:52:38 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-11-20 13:59:21 +0300 |
| commit | 1210137c7f82beb0dd7506a4befb05753c0979b7 (patch) | |
| tree | 62cca2ed07818e6ac9f4aabea679f6f6f945acd1 /drivers/infiniband/hw/hns | |
| parent | ceb48ed1677f7322e9d75d037633f8474bf26ce7 (diff) | |
| download | linux-1210137c7f82beb0dd7506a4befb05753c0979b7.tar.xz | |
RDMA/hns: Fix unnecessary port_num transition in HW stats allocation
[ Upstream commit b4a797b894dc91a541ea230db6fa00cc74683bfd ]
The num_ports capability of devices should be compared with the
number of port(i.e. the input param "port_num") but not the port
index(i.e. port_num - 1).
Fixes: 5a87279591a1 ("RDMA/hns: Support hns HW stats")
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20231017125239.164455-7-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/hns')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_main.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index d9d546cdef52..e1a88f2d51b6 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -547,9 +547,8 @@ static struct rdma_hw_stats *hns_roce_alloc_hw_port_stats( struct ib_device *device, u32 port_num) { struct hns_roce_dev *hr_dev = to_hr_dev(device); - u32 port = port_num - 1; - if (port > hr_dev->caps.num_ports) { + if (port_num > hr_dev->caps.num_ports) { ibdev_err(device, "invalid port num.\n"); return NULL; } |