From mboxrd@z Thu Jan 1 00:00:00 1970 From: Madalin Bucur Subject: [net-next 08/13] fsl/fman: check pcsphy pointer before use Date: Tue, 4 Oct 2016 10:32:54 +0300 Message-ID: <1475566379-5078-9-git-send-email-madalin.bucur@nxp.com> References: <1475566379-5078-1-git-send-email-madalin.bucur@nxp.com> Reply-To: Mime-Version: 1.0 Content-Type: text/plain Cc: , , , To: Return-path: In-Reply-To: <1475566379-5078-1-git-send-email-madalin.bucur@nxp.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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 96dfe7e..53ef51e 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) -- 2.1.0