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-rw-r--r--tools/testing/selftests/kcmp/kcmp_test.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/testing/selftests/kcmp/kcmp_test.c b/tools/testing/selftests/kcmp/kcmp_test.c
index 358cc6bfa35..fa4f1b37e04 100644
--- a/tools/testing/selftests/kcmp/kcmp_test.c
+++ b/tools/testing/selftests/kcmp/kcmp_test.c
@@ -72,7 +72,8 @@ int main(int argc, char **argv)
/* This one should return same fd */
ret = sys_kcmp(pid1, pid2, KCMP_FILE, fd1, fd1);
if (ret) {
- printf("FAIL: 0 expected but %d returned\n", ret);
+ printf("FAIL: 0 expected but %d returned (%s)\n",
+ ret, strerror(errno));
ret = -1;
} else
printf("PASS: 0 returned as expected\n");
@@ -80,7 +81,8 @@ int main(int argc, char **argv)
/* Compare with self */
ret = sys_kcmp(pid1, pid1, KCMP_VM, 0, 0);
if (ret) {
- printf("FAIL: 0 expected but %li returned\n", ret);
+ printf("FAIL: 0 expected but %li returned (%s)\n",
+ ret, strerror(errno));
ret = -1;
} else
printf("PASS: 0 returned as expected\n");