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-rw-r--r--lib/intel_os.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/intel_os.c b/lib/intel_os.c
index 1badd3ec..3321a8de 100644
--- a/lib/intel_os.c
+++ b/lib/intel_os.c
@@ -255,7 +255,7 @@ intel_purge_vm_caches(void)
if (fd < 0)
return;
- write(fd, "3\n", 2);
+ igt_assert_eq(write(fd, "3\n", 2), 2);
close(fd);
}