From 47256192c65b786ea9dbebf47f45b938a02e3914 Mon Sep 17 00:00:00 2001 From: Madalin Bucur Date: Tue, 28 Jun 2016 15:32:44 +0300 Subject: [PATCH] fsl/fman: check pcsphy pointer before use Signed-off-by: Madalin Bucur --- drivers/net/ethernet/freescale/fman/fman_memac.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c index 96dfe7eb4e5f..53ef51e3bd9e 100644 --- a/drivers/net/ethernet/freescale/fman/fman_memac.c +++ b/drivers/net/ethernet/freescale/fman/fman_memac.c @@ -507,6 +507,9 @@ static void setup_sgmii_internal_phy(struct fman_mac *memac, { u16 tmp_reg16; + if (WARN_ON(!memac->pcsphy)) + return; + /* SGMII mode */ tmp_reg16 = IF_MODE_SGMII_EN; if (!fixed_link) -- 2.39.5