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Suggested-by: Leon Romanovsky Signed-off-by: Anand Khoje Signed-off-by: Haakon Bugge Reviewed-by: Leon Romanovsky --- v1 -> v2: - Added changes as per Leon's suggestion of removing port validity check from ib_get_cached_subnet_prefix(). - Split the v1 patch in 3 patches as per Leon's suggestion. v2 -> v3: - Added some formatting changes per Leon's suggestions and removed return from ib_get_cached_subnet_prefix. v3 -> v4: - Removed a newline in ib_policy_change_task(). --- drivers/infiniband/core/cache.c | 7 +------ drivers/infiniband/core/core_priv.h | 2 +- drivers/infiniband/core/device.c | 11 ++--------- drivers/infiniband/core/security.c | 7 ++----- 4 files changed, 6 insertions(+), 21 deletions(-) diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c index d320459..2325171 100644 --- a/drivers/infiniband/core/cache.c +++ b/drivers/infiniband/core/cache.c @@ -1069,19 +1069,14 @@ int ib_get_cached_pkey(struct ib_device *device, } EXPORT_SYMBOL(ib_get_cached_pkey); -int ib_get_cached_subnet_prefix(struct ib_device *device, u32 port_num, +void ib_get_cached_subnet_prefix(struct ib_device *device, u32 port_num, u64 *sn_pfx) { unsigned long flags; - if (!rdma_is_port_valid(device, port_num)) - return -EINVAL; - read_lock_irqsave(&device->cache_lock, flags); *sn_pfx = device->port_data[port_num].cache.subnet_prefix; read_unlock_irqrestore(&device->cache_lock, flags); - - return 0; } EXPORT_SYMBOL(ib_get_cached_subnet_prefix); diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index 29809dd..0b23f50 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -214,7 +214,7 @@ int ib_nl_handle_ip_res_resp(struct sk_buff *skb, struct nlmsghdr *nlh, struct netlink_ext_ack *extack); -int ib_get_cached_subnet_prefix(struct ib_device *device, +void ib_get_cached_subnet_prefix(struct ib_device *device, u32 port_num, u64 *sn_pfx); diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index c660cef..7a617e4 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -886,15 +886,8 @@ static void ib_policy_change_task(struct work_struct *work) rdma_for_each_port (dev, i) { u64 sp; - int ret = ib_get_cached_subnet_prefix(dev, - i, - &sp); - - WARN_ONCE(ret, - "ib_get_cached_subnet_prefix err: %d, this should never happen here\n", - ret); - if (!ret) - ib_security_cache_change(dev, i, sp); + ib_get_cached_subnet_prefix(dev, i, &sp); + ib_security_cache_change(dev, i, sp); } } up_read(&devices_rwsem); diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c index e5a78d1..5433912 100644 --- a/drivers/infiniband/core/security.c +++ b/drivers/infiniband/core/security.c @@ -72,7 +72,7 @@ static int get_pkey_and_subnet_prefix(struct ib_port_pkey *pp, if (ret) return ret; - ret = ib_get_cached_subnet_prefix(dev, pp->port_num, subnet_prefix); + ib_get_cached_subnet_prefix(dev, pp->port_num, subnet_prefix); return ret; } @@ -664,10 +664,7 @@ static int ib_security_pkey_access(struct ib_device *dev, if (ret) return ret; - ret = ib_get_cached_subnet_prefix(dev, port_num, &subnet_prefix); - - if (ret) - return ret; + ib_get_cached_subnet_prefix(dev, port_num, &subnet_prefix); return security_ib_pkey_access(sec, subnet_prefix, pkey); } -- 1.8.3.1