bitmap: Return size when no zero area is found

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Return the bitmap size, rather than size + 1, when
bitmap_find_next_zero_area_off() cannot find a suitable area. This
matches the conventional find_bit() failure sentinel and still lets
callers detect failure with an out-of-range check.

Document the public failure contract as a value greater than or equal
to the bitmap size, without requiring callers to depend on the exact
sentinel.

Signed-off-by: Yury Norov <ynorov@nvidia.com>

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This commit is contained in:

Yury Norov 2026-07-08 22:03:11 -04:00

parent e46185c139

commit bf7e3686b7

2 changed files with 7 additions and 6 deletions

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3

include/linux/bitmap.h

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10

lib/bitmap.c

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