net: thunderx: Fix for crash while BGX teardown

[deliverable/linux.git] / drivers / net / ethernet / cavium / thunder / thunder_bgx.c

diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
index 633ec05dfe0578b71825bf409df24371f58a776c..b961a89dc6264555553ee94484478b5dca9822dc 100644 (file)
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
@@ -673,7 +673,10 @@ static void bgx_lmac_disable(struct bgx *bgx, u8 lmacid)
        bgx_reg_write(bgx, lmacid, BGX_CMRX_CFG, cmrx_cfg);
        bgx_flush_dmac_addrs(bgx, lmacid);
 
-       if (lmac->phydev)
+       if ((bgx->lmac_type != BGX_MODE_XFI) &&
+           (bgx->lmac_type != BGX_MODE_XLAUI) &&
+           (bgx->lmac_type != BGX_MODE_40G_KR) &&
+           (bgx->lmac_type != BGX_MODE_10G_KR) && lmac->phydev)
                phy_disconnect(lmac->phydev);
 
        lmac->phydev = NULL;