linux-kernel - [PATCH 1/2] m68k: bitops - offset == ((long)p

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Date:	Sun,  3 Apr 2011 15:11:16 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	linux-m68k@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Akinobu Mita <akinobu.mita@...il.com>,
	Andreas Schwab <schwab@...ux-m68k.org>
Subject: [PATCH 1/2] m68k: bitops - offset == ((long)p - (long)vaddr) * 8

Hence use "offset" in find_next_{,zero_}bit(), like is already done for
find_next_{,zero_}bit_le()

Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Akinobu Mita <akinobu.mita@...il.com>
Cc: Andreas Schwab <schwab@...ux-m68k.org>
---
 arch/m68k/include/asm/bitops_mm.h |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/m68k/include/asm/bitops_mm.h b/arch/m68k/include/asm/bitops_mm.h
index 9d69f6e..5bd3afa 100644
--- a/arch/m68k/include/asm/bitops_mm.h
+++ b/arch/m68k/include/asm/bitops_mm.h
@@ -220,8 +220,7 @@ static inline int find_next_zero_bit(const unsigned long *vaddr, int size,
 		offset += 32;
 	}
 	/* No zero yet, search remaining full bytes for a zero */
-	res = find_first_zero_bit(p, size - ((long)p - (long)vaddr) * 8);
-	return offset + res;
+	return offset + find_first_zero_bit(p, size - offset);
 }
 
 static inline int find_first_bit(const unsigned long *vaddr, unsigned size)
@@ -267,8 +266,7 @@ static inline int find_next_bit(const unsigned long *vaddr, int size,
 		offset += 32;
 	}
 	/* No one yet, search remaining full bytes for a one */
-	res = find_first_bit(p, size - ((long)p - (long)vaddr) * 8);
-	return offset + res;
+	return offset + find_first_bit(p, size - offset);
 }
 
 /*
-- 
1.7.0.4

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