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authorJakub Kicinski <kuba@kernel.org>2021-10-19 11:26:02 -0700
committerJason Gunthorpe <jgg@nvidia.com>2021-10-25 14:33:08 -0300
commit10f7b9bc85ec2421c46588732ea72a58c00d0926 (patch)
tree596551650d75deba328c615ba1436b38eb1c2b22 /drivers/infiniband/ulp/ipoib/ipoib_ib.c
parent97ad8c8c719d0f7fbf3e828be7e99121b4b05b1f (diff)
downloadlwn-10f7b9bc85ec2421c46588732ea72a58c00d0926.tar.gz
lwn-10f7b9bc85ec2421c46588732ea72a58c00d0926.zip
RDMA/ipoib: Use dev_addr_mod()
Commit 406f42fa0d3c ("net-next: When a bond have a massive amount of VLANs...") introduced a rbtree for faster Ethernet address look up. To maintain netdev->dev_addr in this tree we need to make all the writes to it got through appropriate helpers. Link: https://lore.kernel.org/r/20211019182604.1441387-2-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_ib.c')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_ib.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index ceabfb0b0a83..2c3dca41d3bd 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -1057,13 +1057,11 @@ static bool ipoib_dev_addr_changed_valid(struct ipoib_dev_priv *priv)
{
union ib_gid search_gid;
union ib_gid gid0;
- union ib_gid *netdev_gid;
int err;
u16 index;
u32 port;
bool ret = false;
- netdev_gid = (union ib_gid *)(priv->dev->dev_addr + 4);
if (rdma_query_gid(priv->ca, priv->port, 0, &gid0))
return false;
@@ -1073,7 +1071,8 @@ static bool ipoib_dev_addr_changed_valid(struct ipoib_dev_priv *priv)
* to do it later
*/
priv->local_gid.global.subnet_prefix = gid0.global.subnet_prefix;
- netdev_gid->global.subnet_prefix = gid0.global.subnet_prefix;
+ dev_addr_mod(priv->dev, 4, (u8 *)&gid0.global.subnet_prefix,
+ sizeof(gid0.global.subnet_prefix));
search_gid.global.subnet_prefix = gid0.global.subnet_prefix;
search_gid.global.interface_id = priv->local_gid.global.interface_id;
@@ -1135,8 +1134,8 @@ static bool ipoib_dev_addr_changed_valid(struct ipoib_dev_priv *priv)
if (!test_bit(IPOIB_FLAG_DEV_ADDR_CTRL, &priv->flags)) {
memcpy(&priv->local_gid, &gid0,
sizeof(priv->local_gid));
- memcpy(priv->dev->dev_addr + 4, &gid0,
- sizeof(priv->local_gid));
+ dev_addr_mod(priv->dev, 4, (u8 *)&gid0,
+ sizeof(priv->local_gid));
ret = true;
}
}