| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 070/151] linux/bitmap.h: fix type of nbits in bitmap_shift_right() | Date | Wed, 27 Nov 2019 21:30:53 +0100 |
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From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
[ Upstream commit d9873969fa8725dc6a5a21ab788c057fd8719751 ]
Most other bitmap API, including the OOL version __bitmap_shift_right, take unsigned nbits. This was accidentally left out from 2fbad29917c98.
Link: http://lkml.kernel.org/r/20180818131623.8755-5-linux@rasmusvillemoes.dk Fixes: 2fbad29917c98 ("lib: bitmap: change bitmap_shift_right to take unsigned parameters") Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reported-by: Yury Norov <ynorov@caviumnetworks.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- include/linux/bitmap.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index dc56304ac829f..dec03c0dbc214 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -321,7 +321,7 @@ static __always_inline int bitmap_weight(const unsigned long *src, unsigned int } static inline void bitmap_shift_right(unsigned long *dst, const unsigned long *src, - unsigned int shift, int nbits) + unsigned int shift, unsigned int nbits) { if (small_const_nbits(nbits)) *dst = (*src & BITMAP_LAST_WORD_MASK(nbits)) >> shift; -- 2.20.1
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