[net-next 08/13] fsl/fman: check pcsphy pointer before use
Madalin Bucur
madalin.bucur at nxp.com
Tue Oct 4 18:32:54 AEDT 2016
Signed-off-by: Madalin Bucur <madalin.bucur at nxp.com>
---
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
More information about the Linuxppc-dev
mailing list