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Tests: Unmap memory ranges on /dev/mem after testing mmap(2)

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Liav A 2022-01-14 19:01:51 +02:00 • committed by Idan Horowitz
parent 4ba9fa1a00
commit 1716105e73
1 changed files with 5 additions and 1 deletions
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6
Tests/Kernel/TestMemoryDeviceMmap.cpp
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@ -23,7 +23,11 @@ static ALWAYS_INLINE bool mem_chunk(int fd, u64 base, u64 length)
{ {
u64 mmoffset = base % sysconf(_SC_PAGESIZE); u64 mmoffset = base % sysconf(_SC_PAGESIZE);
void* mmp = mmap(NULL, mmoffset + length, PROT_READ, MAP_SHARED, fd, base - mmoffset); void* mmp = mmap(NULL, mmoffset + length, PROT_READ, MAP_SHARED, fd, base - mmoffset);
return mmp != MAP_FAILED; if (mmp == MAP_FAILED)
return false;
if (munmap(mmp, mmoffset + length) < 0)
perror("munmap");
return true;
} }
enum class ReadResult { enum class ReadResult {