diff options
| author | Dmitry Kravkov <dmitry@broadcom.com> | 2013-08-13 02:24:59 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-08-13 16:04:28 -0700 |
| commit | 507393eb2909ddf39edf3f8f4cd0fd914b720006 (patch) | |
| tree | b6698cefef1be7ac49d3c1db4ec5a6dd56a90a6b /drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | |
| parent | 205057aeb3c488fbd4a9c3a0542e05dcf4fda149 (diff) | |
bnx2x: protect different statistics flows
Add locking to protect different statistics flows from
running simultaneously.
This in order to serialize statistics requests sent to FW,
otherwise two outstanding queries may cause FW assert.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index e06186c305d..6e1e9e7d820 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -11524,6 +11524,7 @@ static int bnx2x_init_bp(struct bnx2x *bp) mutex_init(&bp->port.phy_mutex); mutex_init(&bp->fw_mb_mutex); spin_lock_init(&bp->stats_lock); + sema_init(&bp->stats_sema, 1); INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task); INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task); |