igc: fix error return handling from call to netif_set_real_num_tx_queues

The call to netif_set_real_num_tx_queues is not assigning the error
return to variable err even though the next line checks err for an
error.  Fix this by adding the missing err assignment.

Detected by CoverityScan, CID#1474551 ("Logically dead code")

Fixes: 3df25e4c1e66 ("igc: Add interrupt support")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 529c3e952621834e123471c01379e3d1eb96c6ed..f176540f5ed77ab050c0b205e8dc32ec74882513 100644 (file)
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -3358,7 +3358,7 @@ static int __igc_open(struct net_device *netdev, bool resuming)
                goto err_req_irq;
 
        /* Notify the stack of the actual queue counts. */
-       netif_set_real_num_tx_queues(netdev, adapter->num_tx_queues);
+       err = netif_set_real_num_tx_queues(netdev, adapter->num_tx_queues);
        if (err)
                goto err_set_queues;