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target/arm: Initialize ARMMMUFaultInfo in v7m_stack_read/write 

The get_phys_addr() functions take a pointer to an ARMMMUFaultInfo
struct, which they fill in only if a fault occurs. This means that
the caller must always zero-initialize the struct before passing
it in. We forgot to do this in v7m_stack_read() and v7m_stack_write().
Correct the error.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181011172057.9466-1-peter.maydell@linaro.org
master
Peter Maydell 2018-10-11 18:20:57 +01:00
parent 599b71e277
commit ab44c7b71f
1 changed files with 2 additions and 2 deletions
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4
target/arm/helper.c
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@ -6472,7 +6472,7 @@ static bool v7m_stack_write(ARMCPU *cpu, uint32_t addr, uint32_t value,
target_ulong page_size;
hwaddr physaddr;
int prot;
ARMMMUFaultInfo fi;
ARMMMUFaultInfo fi = {};
bool secure = mmu_idx & ARM_MMU_IDX_M_S;
int exc;
bool exc_secure;
@ -6534,7 +6534,7 @@ static bool v7m_stack_read(ARMCPU *cpu, uint32_t *dest, uint32_t addr,
target_ulong page_size;
hwaddr physaddr;
int prot;
ARMMMUFaultInfo fi;
ARMMMUFaultInfo fi = {};
bool secure = mmu_idx & ARM_MMU_IDX_M_S;
int exc;
bool exc_secure;