net: stmmac: gmac4: bitrev32 returns u32

The bitrev32 function returns an u32 var, not an int. Fix it.

Fixes: 477286b53f55 ("stmmac: add GMAC4 core support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index 5a7b0ac..66e60c7 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -432,7 +432,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw,
                         * bits used depends on the hardware configuration
                         * selected at core configuration time.
                         */
-                       int bit_nr = bitrev32(~crc32_le(~0, ha->addr,
+                       u32 bit_nr = bitrev32(~crc32_le(~0, ha->addr,
                                        ETH_ALEN)) >> (32 - mcbitslog2);
                        /* The most significant bit determines the register to
                         * use (H/L) while the other 5 bits determine the bit