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authorKarsten Graul <kgraul@linux.ibm.com>2020-11-18 22:40:38 +0100
committerJakub Kicinski <kuba@kernel.org>2020-11-19 10:59:19 -0800
commit41a0be3f8f6be893860b991eb10c47fc3ee09d7f (patch)
tree0e58091a226c305fefdc2b7b832ccb885f41571f /net/smc
parent0530bd6e6a3d5a0292a1a5f33ea980ae7e8b56ca (diff)
net/smc: fix direct access to ib_gid_addr->ndev in smc_ib_determine_gid()
Sparse complaints 3 times about: net/smc/smc_ib.c:203:52: warning: incorrect type in argument 1 (different address spaces) net/smc/smc_ib.c:203:52: expected struct net_device const *dev net/smc/smc_ib.c:203:52: got struct net_device [noderef] __rcu *const ndev Fix that by using the existing and validated ndev variable instead of accessing attr->ndev directly. Fixes: 5102eca9039b ("net/smc: Use rdma_read_gid_l2_fields to L2 fields") Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/smc')
-rw-r--r--net/smc/smc_ib.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/smc/smc_ib.c b/net/smc/smc_ib.c
index 1c314dbdc7fa..fc766b537ac7 100644
--- a/net/smc/smc_ib.c
+++ b/net/smc/smc_ib.c
@@ -198,9 +198,9 @@ int smc_ib_determine_gid(struct smc_ib_device *smcibdev, u8 ibport,
rcu_read_lock();
ndev = rdma_read_gid_attr_ndev_rcu(attr);
if (!IS_ERR(ndev) &&
- ((!vlan_id && !is_vlan_dev(attr->ndev)) ||
- (vlan_id && is_vlan_dev(attr->ndev) &&
- vlan_dev_vlan_id(attr->ndev) == vlan_id)) &&
+ ((!vlan_id && !is_vlan_dev(ndev)) ||
+ (vlan_id && is_vlan_dev(ndev) &&
+ vlan_dev_vlan_id(ndev) == vlan_id)) &&
attr->gid_type == IB_GID_TYPE_ROCE) {
rcu_read_unlock();
if (gid)