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Message-Id: <20191127203002.474605254@linuxfoundation.org>
Date:   Wed, 27 Nov 2019 21:30:56 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Yury Norov <ynorov@...iumnetworks.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Sudeep Holla <sudeep.holla@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.4 065/132] linux/bitmap.h: fix type of nbits in bitmap_shift_right()

From: Rasmus Villemoes <linux@...musvillemoes.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@...musvillemoes.dk>
Reported-by: Yury Norov <ynorov@...iumnetworks.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
Cc: Rasmus Villemoes <linux@...musvillemoes.dk>
Cc: Sudeep Holla <sudeep.holla@....com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.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 e9d5df4315d94..714ce4a5e31fd 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -308,7 +308,7 @@ 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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