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selftests/mm: fix WARNING comparing pointer to 0

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Remove comparing pointer to 0 to avoid this warning from coccinelle:

./tools/testing/selftests/mm/map_populate.c:80:16-17: WARNING comparing pointer to 0, suggest !E
./tools/testing/selftests/mm/map_populate.c:80:16-17: WARNING comparing pointer to 0

Link: https://lkml.kernel.org/r/20230817160033.90079-1-tuananhlfc@gmail.com
Signed-off-by: Anh Tuan Phan <tuananhlfc@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Anh Tuan Phan 2023-08-17 23:00:33 +07:00 committed by Andrew Morton
parent 7131fd7e30
commit bad5a3a42a
1 changed files with 1 additions and 1 deletions
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tools/testing/selftests/mm/map_populate.c
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@ -77,7 +77,7 @@ int main(int argc, char **argv)
unsigned long *smap;
ftmp = tmpfile();
BUG_ON(ftmp == 0, "tmpfile()");
BUG_ON(!ftmp, "tmpfile()");
ret = ftruncate(fileno(ftmp), MMAP_SZ);
BUG_ON(ret, "ftruncate()");