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| author | David S. Miller <davem@davemloft.net> | 2009-09-02 11:32:56 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-09-02 11:32:56 +0400 |
| commit | 6cdee2f96a97f6da26bd3759c3f8823332fbb438 (patch) | |
| tree | ec79086f05ffc3bdf1aecc37e108ccfc3a95450d /drivers/net/bnx2.c | |
| parent | 0625491493d9000e4556bf566d205c28c8e7dc4e (diff) | |
| parent | 2fbd3da3877ad8d923b055e5996f80b4d4a6daf4 (diff) | |
| download | linux-6cdee2f96a97f6da26bd3759c3f8823332fbb438.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/yellowfin.c
Diffstat (limited to 'drivers/net/bnx2.c')
| -rw-r--r-- | drivers/net/bnx2.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index fcaf3bc8277e..1357d548e698 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -401,9 +401,11 @@ static int bnx2_unregister_cnic(struct net_device *dev) struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; struct cnic_eth_dev *cp = &bp->cnic_eth_dev; + mutex_lock(&bp->cnic_lock); cp->drv_state = 0; bnapi->cnic_present = 0; rcu_assign_pointer(bp->cnic_ops, NULL); + mutex_unlock(&bp->cnic_lock); synchronize_rcu(); return 0; } @@ -431,13 +433,13 @@ bnx2_cnic_stop(struct bnx2 *bp) struct cnic_ops *c_ops; struct cnic_ctl_info info; - rcu_read_lock(); - c_ops = rcu_dereference(bp->cnic_ops); + mutex_lock(&bp->cnic_lock); + c_ops = bp->cnic_ops; if (c_ops) { info.cmd = CNIC_CTL_STOP_CMD; c_ops->cnic_ctl(bp->cnic_data, &info); } - rcu_read_unlock(); + mutex_unlock(&bp->cnic_lock); } static void @@ -446,8 +448,8 @@ bnx2_cnic_start(struct bnx2 *bp) struct cnic_ops *c_ops; struct cnic_ctl_info info; - rcu_read_lock(); - c_ops = rcu_dereference(bp->cnic_ops); + mutex_lock(&bp->cnic_lock); + c_ops = bp->cnic_ops; if (c_ops) { if (!(bp->flags & BNX2_FLAG_USING_MSIX)) { struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; @@ -457,7 +459,7 @@ bnx2_cnic_start(struct bnx2 *bp) info.cmd = CNIC_CTL_START_CMD; c_ops->cnic_ctl(bp->cnic_data, &info); } - rcu_read_unlock(); + mutex_unlock(&bp->cnic_lock); } #else @@ -7687,6 +7689,9 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) spin_lock_init(&bp->phy_lock); spin_lock_init(&bp->indirect_lock); +#ifdef BCM_CNIC + mutex_init(&bp->cnic_lock); +#endif INIT_WORK(&bp->reset_task, bnx2_reset_task); dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0); |