igb: Fix oops on changing number of rings

[deliverable/linux.git] / drivers / net / ethernet / intel / igb / igb_main.c

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 8457d0306e3a76107c18ed524a3000d47b3ead6e..783d60eafcd695013a93393efcd7ea7b239ad671 100644 (file)
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -1207,6 +1207,8 @@ static int igb_alloc_q_vector(struct igb_adapter *adapter,
        q_vector = adapter->q_vector[v_idx];
        if (!q_vector)
                q_vector = kzalloc(size, GFP_KERNEL);
+       else
+               memset(q_vector, 0, size);
        if (!q_vector)
                return -ENOMEM;