diff options
| author | Eric Dumazet <eric.dumazet@gmail.com> | 2011-11-23 07:09:32 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-11-23 18:48:19 -0500 |
| commit | 2cfa5a0471fef43fda0b7bd87e3a5e4dbadb7809 (patch) | |
| tree | 0603cf740823a45337e2b82ba63bae96a6e75186 /drivers/net/ethernet/broadcom | |
| parent | 8c2152286aabe753519d7627a2992625b97e4b20 (diff) | |
net: treewide use of RCU_INIT_POINTER
rcu_assign_pointer(ptr, NULL) can be safely replaced by
RCU_INIT_POINTER(ptr, NULL)
(old rcu_assign_pointer() macro was testing the NULL value and could
omit the smp_wmb(), but this had to be removed because of compiler
warnings)
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/cnic.c | 6 |
3 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index 83d8cefba8c..d573169279b 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -409,7 +409,7 @@ static int bnx2_unregister_cnic(struct net_device *dev) mutex_lock(&bp->cnic_lock); cp->drv_state = 0; bnapi->cnic_present = 0; - rcu_assign_pointer(bp->cnic_ops, NULL); + RCU_INIT_POINTER(bp->cnic_ops, NULL); mutex_unlock(&bp->cnic_lock); synchronize_rcu(); return 0; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 83481e20f14..0cdbb70ef83 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -11587,7 +11587,7 @@ static int bnx2x_unregister_cnic(struct net_device *dev) mutex_lock(&bp->cnic_mutex); cp->drv_state = 0; - rcu_assign_pointer(bp->cnic_ops, NULL); + RCU_INIT_POINTER(bp->cnic_ops, NULL); mutex_unlock(&bp->cnic_mutex); synchronize_rcu(); kfree(bp->cnic_kwq); diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c index 099f41d99ec..b336e55e0d8 100644 --- a/drivers/net/ethernet/broadcom/cnic.c +++ b/drivers/net/ethernet/broadcom/cnic.c @@ -506,7 +506,7 @@ int cnic_unregister_driver(int ulp_type) } read_unlock(&cnic_dev_lock); - rcu_assign_pointer(cnic_ulp_tbl[ulp_type], NULL); + RCU_INIT_POINTER(cnic_ulp_tbl[ulp_type], NULL); mutex_unlock(&cnic_lock); synchronize_rcu(); @@ -579,7 +579,7 @@ static int cnic_unregister_device(struct cnic_dev *dev, int ulp_type) } mutex_lock(&cnic_lock); if (rcu_dereference(cp->ulp_ops[ulp_type])) { - rcu_assign_pointer(cp->ulp_ops[ulp_type], NULL); + RCU_INIT_POINTER(cp->ulp_ops[ulp_type], NULL); cnic_put(dev); } else { pr_err("%s: device not registered to this ulp type %d\n", @@ -5134,7 +5134,7 @@ static void cnic_stop_hw(struct cnic_dev *dev) } cnic_shutdown_rings(dev); clear_bit(CNIC_F_CNIC_UP, &dev->flags); - rcu_assign_pointer(cp->ulp_ops[CNIC_ULP_L4], NULL); + RCU_INIT_POINTER(cp->ulp_ops[CNIC_ULP_L4], NULL); synchronize_rcu(); cnic_cm_shutdown(dev); cp->stop_hw(dev); |