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target-mips: fix compiler warnings (clang 5) 

static code analyzer complain:

target/mips/helper.c:453:5: warning: Function call argument is an uninitialized value
    qemu_log_mask(CPU_LOG_MMU,
    ^~~~~~~~~~~~~~~~~~~~~~~~~~

'physical' and 'prot' are uninitialized if 'ret' is not TLBRET_MATCH.

Reported-by: Clang Static Analyzer
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
This commit is contained in:
Philippe Mathieu-Daudé 2017-03-04 15:56:48 -03:00 committed by Yongbok Kim
parent bedf13ecab
commit def74c0cf0
1 changed files with 12 additions and 4 deletions
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16
target/mips/helper.c
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@ -450,10 +450,18 @@ int mips_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw,
access_type = ACCESS_INT;
ret = get_physical_address(env, &physical, &prot,
address, rw, access_type);
qemu_log_mask(CPU_LOG_MMU,
"%s address=%" VADDR_PRIx " ret %d physical " TARGET_FMT_plx
" prot %d\n",
__func__, address, ret, physical, prot);
switch (ret) {
case TLBRET_MATCH:
qemu_log_mask(CPU_LOG_MMU,
"%s address=%" VADDR_PRIx " physical " TARGET_FMT_plx
" prot %d\n", __func__, address, physical, prot);
break;
default:
qemu_log_mask(CPU_LOG_MMU,
"%s address=%" VADDR_PRIx " ret %d\n", __func__, address,
ret);
break;
}
if (ret == TLBRET_MATCH) {
tlb_set_page(cs, address & TARGET_PAGE_MASK,
physical & TARGET_PAGE_MASK, prot | PAGE_EXEC,