From 624c241ec6b14ee353cf423de896bf34f8fc7692 Mon Sep 17 00:00:00 2001
From: Joakim Gebart <joakim.gebart@eistec.se>
Date: Mon, 13 Jul 2015 17:24:00 +0200
Subject: [PATCH] cpu/kinetis_common/spi: Fix byte_in unused.

Bug reported by the clang static analyzer.

Description: Value stored to 'byte_in' is never read
File: .../riot/cpu/kinetis_common/spi.c
Line: 1261
---
 cpu/kinetis_common/spi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpu/kinetis_common/spi.c b/cpu/kinetis_common/spi.c
index 7854c7c4fa..d2c1a25fe5 100644
--- a/cpu/kinetis_common/spi.c
+++ b/cpu/kinetis_common/spi.c
@@ -1258,7 +1258,7 @@ int spi_transfer_regs(spi_t dev, uint8_t reg, char *out, char *in, unsigned int
     byte_out = reg;
 
     /* Send register address */
-    byte_in = spi_transfer_internal(spi_dev, flags, byte_out);
+    spi_transfer_internal(spi_dev, flags, byte_out);
 
     /* Default: send idle data */
     byte_out = (uint8_t)SPI_IDLE_DATA;