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MemMap: Check for MAP_FAILED in mmap call.

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Unknown W. Brackets 2020-09-13 00:36:20 -07:00
parent 72df3fd339
commit 2b49c3e464
2 changed files with 2 additions and 2 deletions
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2
Common/MemArenaAndroid.cpp
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@ -140,7 +140,7 @@ u8* MemArena::Find4GBBase() {
// address by grabbing 8GB and aligning the pointer.
const uint64_t EIGHT_GIGS = 0x200000000ULL;
void *base = mmap(0, EIGHT_GIGS, PROT_READ | PROT_WRITE, MAP_ANON | MAP_SHARED, -1, 0);
if (base) {
if (base && base != MAP_FAILED) {
INFO_LOG(SYSTEM, "base: %p", base);
uint64_t aligned_base = ((uint64_t)base + 0xFFFFFFFF) & ~0xFFFFFFFFULL;
INFO_LOG(SYSTEM, "aligned_base: %p", (void *)aligned_base);

2
Common/MemArenaPosix.cpp
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@ -109,7 +109,7 @@ u8* MemArena::Find4GBBase() {
// address by grabbing 8GB and aligning the pointer.
const uint64_t EIGHT_GIGS = 0x200000000ULL;
void *base = mmap(0, EIGHT_GIGS, PROT_READ | PROT_WRITE, MAP_ANON | MAP_SHARED, -1, 0);
if (base) {
if (base && base != MAP_FAILED) {
INFO_LOG(MEMMAP, "base: %p", base);
uint64_t aligned_base = ((uint64_t)base + 0xFFFFFFFF) & ~0xFFFFFFFFULL;
INFO_LOG(MEMMAP, "aligned_base: %p", (void *)aligned_base);