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Diffstat (limited to 'tools/testing/selftests/mm/mlock2.h')
-rw-r--r--tools/testing/selftests/mm/mlock2.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/tools/testing/selftests/mm/mlock2.h b/tools/testing/selftests/mm/mlock2.h
index 1e5731bab499..81e77fa41901 100644
--- a/tools/testing/selftests/mm/mlock2.h
+++ b/tools/testing/selftests/mm/mlock2.h
@@ -3,11 +3,16 @@
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
-#include <asm-generic/unistd.h>
static int mlock2_(void *start, size_t len, int flags)
{
- return syscall(__NR_mlock2, start, len, flags);
+ int ret = syscall(__NR_mlock2, start, len, flags);
+
+ if (ret) {
+ errno = ret;
+ return -1;
+ }
+ return 0;
}
static FILE *seek_to_smaps_entry(unsigned long addr)