Fix compile warnings in backtrace

Part of #10688 Co-Authored-By: ejtagle <ejtagle@hotmail.com>
2018-05-11 23:38:29 -05:00
parent acacee80a2
commit f2e3c9896e
2 changed files with 1 additions and 2 deletions
--- a/Marlin/src/backtrace/backtrace.cpp
+++ b/Marlin/src/backtrace/backtrace.cpp
@@ -66,7 +66,7 @@ static const UnwindCallbacks UnwCallbacks = {
 void backtrace(void) {

  UnwindFrame btf;
-  uint32_t sp,lr,pc;
+  uint32_t sp = 0, lr = 0, pc = 0;

  // Capture the values of the registers to perform the traceback
  __asm__ __volatile__ (