Fix compile warnings in backtrace

Part of #10688 Co-Authored-By: ejtagle <ejtagle@hotmail.com>
7 years ago · f2e3c9896e
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__ (
--- a/Marlin/src/backtrace/unwarmbytab.cpp
+++ b/Marlin/src/backtrace/unwarmbytab.cpp
@ -129,7 +129,6 @@ static UnwResult UnwTabStateInit(const UnwindCallbacks *cb, UnwTabState *ucb, ui
 */
 static UnwResult UnwTabExecuteInstructions(const UnwindCallbacks *cb, UnwTabState *ucb) {

-  UnwResult err;
  int instruction;
  uint32_t mask;
  uint32_t reg;