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authorIngo Molnar <mingo@elte.hu>2009-08-24 12:25:44 +0200
committerIngo Molnar <mingo@elte.hu>2009-08-24 12:25:54 +0200
commit5f9ece02401116b29eb04396b99ea092acb75dd8 (patch)
treee10386e2dc63c275646b4eb0bed857da7bf86c6a /drivers/net/bnx2.c
parent9f51e24ee8b5a1595b6a5ac0c2be278a16488e75 (diff)
parent422bef879e84104fee6dc68ded0e371dbeb5f88e (diff)
downloadkernel-crypto-5f9ece02401116b29eb04396b99ea092acb75dd8.tar.gz
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Merge commit 'v2.6.31-rc7' into x86/cleanups
Merge reason: we were on -rc1 before - go up to -rc7 Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/net/bnx2.c')
-rw-r--r--drivers/net/bnx2.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index b70cc99962f..06b901152d4 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -399,9 +399,11 @@ 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;
}
@@ -429,13 +431,13 @@ 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
@@ -444,8 +446,8 @@ 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];
@@ -455,7 +457,7 @@ 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
@@ -7663,6 +7665,9 @@ 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);