linux/bitmap.h: fix type of nbits in bitmap_shift_right()
authorRasmus Villemoes <linux@rasmusvillemoes.dk>
Tue, 30 Oct 2018 22:05:07 +0000 (15:05 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 31 Oct 2018 15:54:12 +0000 (08:54 -0700)
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>
include/linux/bitmap.h

index 004cd42a3c4d4fc723c4764d8d8ff6059dab193d..4032680e629d42c9e03af642f4853ed54638fd12 100644 (file)
@@ -391,7 +391,7 @@ static __always_inline void bitmap_clear(unsigned long *map, unsigned int start,
 }
 
 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;