igc: Unlock on error in igc_io_resume()

[ Upstream commit ef4a99a0164e3972abb421cbb1b09ea6c61414df ]

Call rtnl_unlock() on this error path, before returning.

Fixes: bc23aa949aeb ("igc: Add pcie error handler support")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 631ce793fb2ecfba0a03c4ecdb1dac7725f6b631..65cf7035b02d58a932489b441abc4b8f23999f2b 100644 (file)
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -5740,6 +5740,7 @@ static void igc_io_resume(struct pci_dev *pdev)
        rtnl_lock();
        if (netif_running(netdev)) {
                if (igc_open(netdev)) {
+                       rtnl_unlock();
                        netdev_err(netdev, "igc_open failed after reset\n");
                        return;
                }