fsl/fman: check pcsphy pointer before use

Signed-off-by: N Madalin Bucur <madalin.bucur@nxp.com>

fsl/fman: check pcsphy pointer before use
Signed-off-by: N Madalin Bucur <madalin.bucur@nxp.com>
47256192 · Madalin Bucur · 44045e45 · 47256192
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drivers/net/ethernet/freescale/fman/fman_memac.c drivers/net/ethernet/freescale/fman/fman_memac.c +3 -0

未找到文件。
--- 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)