[][mt7981: drivers: net: phy: Fix return flow to attach phy correctly]

[Description]
Fix return flow to attach phy correctly.

[Release-log]
N/A

Change-Id: I8d58297c14711eafbbd94c9688adf03244718037
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5336475
diff --git a/target/linux/mediatek/files-5.4/drivers/net/phy/mediatek-ge.c b/target/linux/mediatek/files-5.4/drivers/net/phy/mediatek-ge.c
index b8a1f15..c243a0a 100644
--- a/target/linux/mediatek/files-5.4/drivers/net/phy/mediatek-ge.c
+++ b/target/linux/mediatek/files-5.4/drivers/net/phy/mediatek-ge.c
@@ -812,6 +812,7 @@
 	CAL_FLOW(tx_amp, EFUSE, cal_mode_from_dts, NO_PAIR, buf)
 	CAL_FLOW(tx_r50, SW_EFUSE, cal_mode_from_dts, PAIR_A_TO_D, buf)
 	CAL_FLOW(tx_vcm, SW, cal_mode_from_dts, PAIR_A_TO_A)
+	ret = 0;
 
 out:
 	kfree(buf);