summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorSimon Horman <simon.horman@netronome.com>2015-05-21 12:40:17 +0900
committerDavid S. Miller <davem@davemloft.net>2015-05-21 17:20:55 -0400
commitdf6a20673011e89f7fbe3d667eee0a9550679841 (patch)
tree338bdd1e6d8a5ddd231c36d10588d353be52193b
parent550ecc92feb10fdb7ab1d052707b11bca955de5f (diff)
downloadop-kernel-dev-df6a20673011e89f7fbe3d667eee0a9550679841.zip
op-kernel-dev-df6a20673011e89f7fbe3d667eee0a9550679841.tar.gz
rocker: make rocker_port_internal_vlan_id_{get, put}() non-transactional
The motivation for this is that rocker_port_internal_vlan_id_{get,put} appear to only partially implement the transaction model: memory allocation and freeing is transactional, but hash and bitmap manipulation is not. The latter could be fixed, however, as it is not currently exercised due to trans always being SWITCHDEV_TRANS_NONE it seems cleaner to make rocker_port_internal_vlan_id_get non-transactional. This problem was introduced by c4f20321d968 ("rocker: support prepare-commit transaction model"). Found by inspection. I do not believe that this change should have any run-time effect. Acked-by: Scott Feldman <sfeldma@gmail.com> Acked-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/rocker/rocker.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index 5174476..701ffc2 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -3853,7 +3853,6 @@ rocker_internal_vlan_tbl_find(struct rocker *rocker, int ifindex)
}
static __be16 rocker_port_internal_vlan_id_get(struct rocker_port *rocker_port,
- enum switchdev_trans trans,
int ifindex)
{
struct rocker *rocker = rocker_port->rocker;
@@ -3862,7 +3861,7 @@ static __be16 rocker_port_internal_vlan_id_get(struct rocker_port *rocker_port,
unsigned long lock_flags;
int i;
- entry = rocker_port_kzalloc(rocker_port, trans, sizeof(*entry));
+ entry = kzalloc(sizeof(*entry), GFP_KERNEL);
if (!entry)
return 0;
@@ -3872,7 +3871,7 @@ static __be16 rocker_port_internal_vlan_id_get(struct rocker_port *rocker_port,
found = rocker_internal_vlan_tbl_find(rocker, ifindex);
if (found) {
- rocker_port_kfree(rocker_port, trans, entry);
+ kfree(entry);
goto found;
}
@@ -3896,7 +3895,6 @@ found:
}
static void rocker_port_internal_vlan_id_put(struct rocker_port *rocker_port,
- enum switchdev_trans trans,
int ifindex)
{
struct rocker *rocker = rocker_port->rocker;
@@ -3918,7 +3916,7 @@ static void rocker_port_internal_vlan_id_put(struct rocker_port *rocker_port,
bit = ntohs(found->vlan_id) - ROCKER_INTERNAL_VLAN_ID_BASE;
clear_bit(bit, rocker->internal_vlan_bitmap);
hash_del(&found->entry);
- rocker_port_kfree(rocker_port, trans, found);
+ kfree(found);
}
not_found:
@@ -4904,9 +4902,7 @@ static int rocker_probe_port(struct rocker *rocker, unsigned int port_number)
rocker_port_set_learning(rocker_port, SWITCHDEV_TRANS_NONE);
rocker_port->internal_vlan_id =
- rocker_port_internal_vlan_id_get(rocker_port,
- SWITCHDEV_TRANS_NONE,
- dev->ifindex);
+ rocker_port_internal_vlan_id_get(rocker_port, dev->ifindex);
err = rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, 0);
if (err) {
dev_err(&pdev->dev, "install ig port table failed\n");
@@ -5154,7 +5150,7 @@ static int rocker_port_bridge_join(struct rocker_port *rocker_port,
{
int err;
- rocker_port_internal_vlan_id_put(rocker_port, SWITCHDEV_TRANS_NONE,
+ rocker_port_internal_vlan_id_put(rocker_port,
rocker_port->dev->ifindex);
rocker_port->bridge_dev = bridge;
@@ -5165,9 +5161,7 @@ static int rocker_port_bridge_join(struct rocker_port *rocker_port,
if (err)
return err;
rocker_port->internal_vlan_id =
- rocker_port_internal_vlan_id_get(rocker_port,
- SWITCHDEV_TRANS_NONE,
- bridge->ifindex);
+ rocker_port_internal_vlan_id_get(rocker_port, bridge->ifindex);
return rocker_port_vlan(rocker_port, SWITCHDEV_TRANS_NONE, 0, 0);
}
@@ -5175,7 +5169,7 @@ static int rocker_port_bridge_leave(struct rocker_port *rocker_port)
{
int err;
- rocker_port_internal_vlan_id_put(rocker_port, SWITCHDEV_TRANS_NONE,
+ rocker_port_internal_vlan_id_put(rocker_port,
rocker_port->bridge_dev->ifindex);
rocker_port->bridge_dev = NULL;
@@ -5187,7 +5181,6 @@ static int rocker_port_bridge_leave(struct rocker_port *rocker_port)
return err;
rocker_port->internal_vlan_id =
rocker_port_internal_vlan_id_get(rocker_port,
- SWITCHDEV_TRANS_NONE,
rocker_port->dev->ifindex);
err = rocker_port_vlan(rocker_port, SWITCHDEV_TRANS_NONE, 0, 0);
if (err)
OpenPOWER on IntegriCloud