Commit 66bce7afbaca ("selftests/mm: fix test result reporting in
gup_longterm") introduced a small bug causing unknown filesystems to always
result in a test failure.

This is because do_test() was updated to use a common reporting path, but
this case appears to have been missed.

This is problematic for e.g. virtme-ng which uses an overlayfs file system,
causing gup_longterm to appear to fail each time due to a test count
mismatch:

        # Planned tests != run tests (50 != 46)
        # Totals: pass:24 fail:0 xfail:0 xpass:0 skip:22 error:0

The fix is to simply change the return into a break.

Signed-off-by: Lorenzo Stoakes <[email protected]>
Fixes: 66bce7afbaca ("selftests/mm: fix test result reporting in gup_longterm")
---
 tools/testing/selftests/mm/gup_longterm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/mm/gup_longterm.c 
b/tools/testing/selftests/mm/gup_longterm.c
index 6279893a0adc..f61150d28eb2 100644
--- a/tools/testing/selftests/mm/gup_longterm.c
+++ b/tools/testing/selftests/mm/gup_longterm.c
@@ -179,7 +179,7 @@ static void do_test(int fd, size_t size, enum test_type 
type, bool shared)
                if (rw && shared && fs_is_unknown(fs_type)) {
                        ksft_print_msg("Unknown filesystem\n");
                        result = KSFT_SKIP;
-                       return;
+                       break;
                }
                /*
                 * R/O pinning or pinning in a private mapping is always
--
2.52.0

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