staging: et131x: Remove unnecessary phydev checks

Several checks for a valid adapter->phydev pointer are made where the
pointer has already been checked previously in the code path.
Remove these redundant checks.

Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index 8a30726..4d76d79 100644 (file)
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -968,7 +968,7 @@ static void et1310_config_mac_regs2(struct et131x_adapter *adapter)
 
        /* Set up the if mode bits */
        cfg2 &= ~ET_MAC_CFG2_IFMODE_MASK;
-       if (phydev && phydev->speed == SPEED_1000) {
+       if (phydev->speed == SPEED_1000) {
                cfg2 |= ET_MAC_CFG2_IFMODE_1000;
                /* Phy mode bit */
                ifctrl &= ~ET_MAC_IFCTRL_PHYMODE;
@@ -999,11 +999,11 @@ static void et1310_config_mac_regs2(struct et131x_adapter *adapter)
        cfg2 &= ~ET_MAC_CFG2_IFMODE_FULL_DPLX;
 
        /* Turn on duplex if needed */
-       if (phydev && phydev->duplex == DUPLEX_FULL)
+       if (phydev->duplex == DUPLEX_FULL)
                cfg2 |= ET_MAC_CFG2_IFMODE_FULL_DPLX;
 
        ifctrl &= ~ET_MAC_IFCTRL_GHDMODE;
-       if (phydev && phydev->duplex == DUPLEX_HALF)
+       if (phydev->duplex == DUPLEX_HALF)
                ifctrl |= ET_MAC_IFCTRL_GHDMODE;
 
        writel(ifctrl, &mac->if_ctrl);
@@ -2480,9 +2480,6 @@ static void et131x_set_rx_dma_timer(struct et131x_adapter *adapter)
 {
        struct phy_device *phydev = adapter->phydev;
 
-       if (!phydev)
-               return;
-
        /* For version B silicon, we do not use the RxDMA timer for 10 and 100
         * Mbits/s line rates. We do not enable and RxDMA interrupt coalescing.
         */
@@ -3771,7 +3768,7 @@ static void et131x_adjust_link(struct net_device *netdev)
 
        if (phydev->link) {
                adapter->boot_coma = 20;
-               if (phydev && phydev->speed == SPEED_10) {
+               if (phydev->speed == SPEED_10) {
                        /* NOTE - Is there a way to query this without
                         * TruePHY?
                         * && TRU_QueryCoreType(adapter->hTruePhy, 0)==
@@ -3793,7 +3790,7 @@ static void et131x_adjust_link(struct net_device *netdev)
 
                et1310_config_flow_control(adapter);
 
-               if (phydev && phydev->speed == SPEED_1000 &&
+               if (phydev->speed == SPEED_1000 &&
                    adapter->registry_jumbo_packet > 2048) {
                        u16 reg;