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cpu: cortexm_common: fix compile warning

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This commit is contained in:
Kaspar Schleiser 2016-08-05 10:05:40 +02:00
parent 355e6b19b5
commit 3dfafde027
1 changed files with 5 additions and 2 deletions
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7
cpu/cortexm_common/vectors_cortexm.c
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@ -205,8 +205,11 @@ __attribute__((used)) void hard_fault_handler(uint32_t* sp, uint32_t corrupted,
uint32_t dfsr = SCB->DFSR;
uint32_t afsr = SCB->AFSR;
#endif
uint32_t pc;
uint32_t* orig_sp;
/* Initialize these variables even if they're never used uninitialized.
* Fixes wrong compiler warning by gcc < 6.0. */
uint32_t pc = 0;
uint32_t* orig_sp = NULL;
/* Check if the ISR stack overflowed previously. Not possible to detect
* after output may also have overflowed it. */