Re: [PATCH 0/5] bitmap: align bitmap_find_next_zero_area_off() output with the rest of the API

Yury Norov <[email protected]>
Newsgroups gmane.linux.ports.ppc.embedded
Message-ID <amEaewg9HgUKL0ml__44197.0546891511$1784748716$gmane$org@yury>
OK, adding in bitmap-for-next. Thanks everyone for review!

Thanks,
Yury

On Wed, Jul 08, 2026 at 10:03:06PM -0400, Yury Norov wrote:
> Bitmap search functions return a value greater than or equal to nbits when
> no suitable bits are found. bitmap_find_next_zero_area_off() is an
> exception: it returns a value greater than nbits.
> 
> Align the function with the rest of the API and adjust the affected callers
> accordingly.
> 
> Patches 1-4 are sent only to their respective maintainers and mailing
> lists. Patch 5 and the cover letter are sent to all recipients.
> 
> On top of -next. I plan to carry the series with bitmap-for-next.
> 
> Yury Norov (5):
>   ARM: dma-mapping: Treat bitmap size as allocation failure
>   powerpc/msi: Treat bitmap size as allocation failure
>   crypto: ccp: Treat bitmap size as allocation failure
>   media: s5p-mfc: Treat bitmap size as allocation failure
>   bitmap: Return size when no zero area is found
> 
>  arch/arm/mm/dma-mapping.c                            |  4 ++--
>  arch/powerpc/sysdev/msi_bitmap.c                     |  2 +-
>  drivers/crypto/ccp/ccp-dev-v3.c                      |  2 +-
>  drivers/crypto/ccp/ccp-dev-v5.c                      |  6 +++---
>  drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr.c |  2 +-
>  include/linux/bitmap.h                               |  3 +++
>  lib/bitmap.c                                         | 10 ++++------
>  7 files changed, 15 insertions(+), 14 deletions(-)
> 
> -- 
> 2.53.0
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