From: Bob Peterson <rpeterso@redhat.com>
Date: Thu, 9 Aug 2012 17:48:47 +0000 (-0500)
Subject: GFS2: Eliminate unnecessary check for state > 3 in bitfit
X-Git-Tag: v3.7-rc1~206^2~12
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=29c05b205d4d30248982d5167bb142146db89bd3;p=linux-2.6-block.git

GFS2: Eliminate unnecessary check for state > 3 in bitfit

Function gfs2_bitfit was checking for state > 3, but that's
impossible since it is only called from rgblk_search, which receives
only GFS2_BLKST_ constants.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---

diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index c26711882a6b..47d2346575ad 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -228,8 +228,6 @@ static u32 gfs2_bitfit(const u8 *buf, const unsigned int len,
 	u64 mask = 0x5555555555555555ULL;
 	u32 bit;
 
-	BUG_ON(state > 3);
-
 	/* Mask off bits we don't care about at the start of the search */
 	mask <<= spoint;
 	tmp = gfs2_bit_search(ptr, mask, state);