From: Jens Axboe <axboe@fb.com>
Date: Wed, 2 Sep 2015 22:46:02 +0000 (-0600)
Subject: block: fix bogus compiler warnings in blk-merge.c
X-Git-Tag: omap-for-v4.3/fixes-rc5~111^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5014c311baa2;p=pandora-kernel.git

block: fix bogus compiler warnings in blk-merge.c

The compiler can't figure out that bvprv is initialized whenever 'prev'
is set to 1 as well. Use a pointer to bvprv instead, setting it to NULL
initially, and get rid of the 'prev' tracking. This dumbs it down
enough that gcc is happy.

Signed-off-by: Jens Axboe <axboe@fb.com>
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