[PATCH v2 net 8/9] net: stmmac: xgmac: Fix RSS not writing all Keys to HW

[Jose Abreu]

The sizeof(cfg->key) is != ARRAY_SIZE(cfg->key). Fix it. This warning is
triggered when running with cc flag -Wsizeof-array-div.

Reported-by: kbuild test robot <l...@intel.com>
Reported-by: Nick Desaulniers <ndesaulni...@google.com>
Reported-by: Nathan Chancellor <natechancel...@gmail.com>
Fixes: 76067459c686 ("net: stmmac: Implement RSS and enable it in XGMAC core")
Reviewed-by: Nick Desaulniers <ndesaulni...@google.com>
Signed-off-by: Jose Abreu <jose.ab...@synopsys.com>

---
Cc: Giuseppe Cavallaro <peppe.cavall...@st.com>
Cc: Alexandre Torgue <alexandre.tor...@st.com>
Cc: Jose Abreu <joab...@synopsys.com>
Cc: "David S. Miller" <da...@davemloft.net>
Cc: Maxime Coquelin <mcoquelin.st...@gmail.com>
Cc: net...@vger.kernel.org
Cc: linux-st...@st-md-mailman.stormreply.com
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: Nick Desaulniers <ndesaulni...@google.com>
Cc: Nathan Chancellor <natechancel...@gmail.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c 
b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index 6d8ac2ef4fc2..4a1f52474dbc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -533,7 +533,7 @@ static int dwxgmac2_rss_configure(struct mac_device_info 
*hw,
                return 0;
        }
 
-       for (i = 0; i < (sizeof(cfg->key) / sizeof(u32)); i++) {
+       for (i = 0; i < (ARRAY_SIZE(cfg->key) / sizeof(u32)); i++) {
                ret = dwxgmac2_rss_write_reg(ioaddr, true, i, cfg->key[i]);
                if (ret)
                        return ret;
-- 
2.7.4