diff options
| author | Jesse Brandeburg <jesse.brandeburg@intel.com> | 2020-09-25 15:24:38 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-25 16:28:59 -0700 |
| commit | 36ec148657dd97762a861a8d17e25f03208f1b59 (patch) | |
| tree | c9e5c42105dc4b78bc42cb4c852d390f81d55ce1 /drivers/net/ethernet/intel/e100.c | |
| parent | b50f7bca5e83d9e8306ceb2a8b0ef0ed2416f133 (diff) | |
intel: handle unused assignments
Remove variables that were storing a return value from a register
read or other read, where the return value wasn't used. Those
conversions to remove the lvalue of the assignment should be safe
because the readl memory mapped reads are marked volatile and
should not be optimized out without an lvalue (I suspect a very
long time ago this wasn't guaranteed as it is today).
These changes are part of a separate patch to make it easier to review.
Warnings Fixed:
.../intel/e100.c:2596:9: warning: variable ‘err’ set but not used [-Wunused-but-set-variable]
.../intel/ixgb/ixgb_hw.c:101:6: warning: variable ‘icr_reg’ set but not used [-Wunused-but-set-variable]
.../intel/ixgb/ixgb_hw.c:277:6: warning: variable ‘ctrl_reg’ set but not used [-Wunused-but-set-variable]
.../intel/ixgb/ixgb_hw.c:952:15: warning: variable ‘temp_reg’ set but not used [-Wunused-but-set-variable]
.../intel/ixgb/ixgb_hw.c:1164:7: warning: variable ‘mdio_reg’ set but not used [-Wunused-but-set-variable]
.../intel/e1000/e1000_hw.c:132:6: warning: variable ‘ret_val’ set but not used [-Wunused-but-set-variable]
.../intel/e1000/e1000_hw.c:380:6: warning: variable ‘icr’ set but not used [-Wunused-but-set-variable]
.../intel/e1000/e1000_hw.c:2378:6: warning: variable ‘signal’ set but not used [-Wunused-but-set-variable]
.../intel/e1000/e1000_hw.c:2374:6: warning: variable ‘ctrl’ set but not used [-Wunused-but-set-variable]
.../intel/e1000/e1000_hw.c:2373:6: warning: variable ‘rxcw’ set but not used [-Wunused-but-set-variable]
.../intel/e1000/e1000_hw.c:4678:15: warning: variable ‘temp’ set but not used [-Wunused-but-set-variable]
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/intel/e100.c')
| -rw-r--r-- | drivers/net/ethernet/intel/e100.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c index 79c7a92aed16..76bb77b4607a 100644 --- a/drivers/net/ethernet/intel/e100.c +++ b/drivers/net/ethernet/intel/e100.c @@ -2593,7 +2593,7 @@ static void e100_diag_test(struct net_device *netdev, { struct ethtool_cmd cmd; struct nic *nic = netdev_priv(netdev); - int i, err; + int i; memset(data, 0, E100_TEST_LEN * sizeof(u64)); data[0] = !mii_link_ok(&nic->mii); @@ -2601,7 +2601,7 @@ static void e100_diag_test(struct net_device *netdev, if (test->flags & ETH_TEST_FL_OFFLINE) { /* save speed, duplex & autoneg settings */ - err = mii_ethtool_gset(&nic->mii, &cmd); + mii_ethtool_gset(&nic->mii, &cmd); if (netif_running(netdev)) e100_down(nic); @@ -2610,7 +2610,7 @@ static void e100_diag_test(struct net_device *netdev, data[4] = e100_loopback_test(nic, lb_phy); /* restore speed, duplex & autoneg settings */ - err = mii_ethtool_sset(&nic->mii, &cmd); + mii_ethtool_sset(&nic->mii, &cmd); if (netif_running(netdev)) e100_up(nic); |