selftests/mm: use MAP_FAILED for mmap error check

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Replace the direct comparison with (void *)-1 with the standard MAP_FAILED
macro when checking mmap()

Link: https://lore.kernel.org/20260720063439.522-1-yanlonglong@kylinos.cn
Signed-off-by: longlong yan <yanlonglong@kylinos.cn>
Reviewed-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

...

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longlong yan 2026-07-20 14:34:39 +08:00 • committed by Andrew Morton

parent 4fe4ea4cbe

commit 63b4209482

1 changed files with 53 additions and 53 deletions

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tools/testing/selftests/mm/mseal_test.c

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