vty.c: Use already available tpp pointer

Change-Id: I54b4b995c3296d8a38ee72604dedbde77c5d0722
---
M src/common/vty.c
1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/common/vty.c b/src/common/vty.c
index fd28828..331d27d 100644
--- a/src/common/vty.c
+++ b/src/common/vty.c
@@ -477,7 +477,7 @@
 		const struct phy_instance *pinst = trx_phy_instance(trx);
 		vty_out(vty, " trx %u%s", trx->nr, VTY_NEWLINE);
 
-		if (trx->power_params.user_gain_mdB)
+		if (tpp->user_gain_mdB)
 			vty_out(vty, "  user-gain %u mdB%s",
 				tpp->user_gain_mdB, VTY_NEWLINE);
 		vty_out(vty, "  power-ramp max-initial %d mdBm%s",

