From 12c4d85e9c86d96412859c5192f9bf4e5904f850 Mon Sep 17 00:00:00 2001
From: DipSwitch <dipswitch@ownage4u.nl>
Date: Tue, 19 Apr 2016 22:43:51 +0200
Subject: [PATCH] cpu/cc2538/spi: Fix compiler warning of possible
 uninitialized variable

---
 cpu/cc2538/periph/spi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpu/cc2538/periph/spi.c b/cpu/cc2538/periph/spi.c
index 3656df7793e9..a8d32efc1d65 100644
--- a/cpu/cc2538/periph/spi.c
+++ b/cpu/cc2538/periph/spi.c
@@ -215,7 +215,7 @@ int spi_release(spi_t dev)
 
 static char ssi_flush_input(cc2538_ssi_t *ssi)
 {
-    char tmp;
+    char tmp = 0;
 
     while (ssi->SRbits.RNE) {
         tmp = ssi->DR;