cxgb4: Don't call t4_slow_intr_handler when we're not the Master PF

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 24e10ea..6de0544 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -724,7 +724,8 @@ static irqreturn_t t4_nondata_intr(int irq, void *cookie)
                adap->swintr = 1;
                t4_write_reg(adap, MYPF_REG(PL_PF_INT_CAUSE_A), v);
        }
-       t4_slow_intr_handler(adap);
+       if (adap->flags & MASTER_PF)
+               t4_slow_intr_handler(adap);
        return IRQ_HANDLED;
 }
 

diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index 1a31e40..0d2edda 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -2238,7 +2238,8 @@ static irqreturn_t t4_intr_msi(int irq, void *cookie)
 {
        struct adapter *adap = cookie;
 
-       t4_slow_intr_handler(adap);
+       if (adap->flags & MASTER_PF)
+               t4_slow_intr_handler(adap);
        process_intrq(adap);
        return IRQ_HANDLED;
 }
@@ -2253,7 +2254,8 @@ static irqreturn_t t4_intr_intx(int irq, void *cookie)
        struct adapter *adap = cookie;
 
        t4_write_reg(adap, MYPF_REG(PCIE_PF_CLI_A), 0);
-       if (t4_slow_intr_handler(adap) | process_intrq(adap))
+       if (((adap->flags & MASTER_PF) && t4_slow_intr_handler(adap)) |
+           process_intrq(adap))
                return IRQ_HANDLED;
        return IRQ_NONE;             /* probably shared interrupt */
 }