2 files changed, 7 insertions, 5 deletions

diff --git a/tools/testing/selftests/kcmp/Makefile b/tools/testing/selftests/kcmp/Makefile
index dc79b86ea65c..56eb5523dbb8 100644
--- a/tools/testing/selftests/kcmp/Makefile
+++ b/tools/testing/selftests/kcmp/Makefile
@@ -16,13 +16,13 @@ CFLAGS += -I../../../../arch/x86/include/
 
 all:
 ifeq ($(ARCH),X86)
-        gcc $(CFLAGS) kcmp_test.c -o run_test
+        gcc $(CFLAGS) kcmp_test.c -o kcmp_test
 else
         echo "Not an x86 target, can't build kcmp selftest"
 endif
 
-run-tests: all
-        ./kcmp_test
+run_tests: all
+        @./kcmp_test || echo "kcmp_test: [FAIL]"
 
 clean:
         rm -fr ./run_test
diff --git a/tools/testing/selftests/kcmp/kcmp_test.c b/tools/testing/selftests/kcmp/kcmp_test.c
index 358cc6bfa35d..fa4f1b37e045 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");