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commit21c68ad1d9upstream. Commit66bce7afba("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. Link: https://lkml.kernel.org/r/20260106154547.214907-1-lorenzo.stoakes@oracle.com Fixes:66bce7afba("selftests/mm: fix test result reporting in gup_longterm") Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Reviewed-by: David Hildenbrand (Red Hat) <david@kernel.org> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: "Liam R. Howlett" <Liam.Howlett@oracle.com> Cc: Mark Brown <broonie@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Peter Xu <peterx@redhat.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>