From: Tejun Heo <tj@kernel.org>
Date: Tue, 18 Aug 2015 21:55:27 +0000 (-0700)
Subject: blkcg: remove unnecessary NULL checks from __cfqg_set_weight_device()
X-Git-Tag: omap-for-v4.3/fixes-rc1~35^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5332dfc36483d2373d980526145789a354af2d49;p=pandora-kernel.git

blkcg: remove unnecessary NULL checks from __cfqg_set_weight_device()

blkg_to_cfqg() and blkcg_to_cfqgd() on a valid blkg with the policy
enabled are guaranteed to return non-NULL and the counterpart in
blk-throttle doesn't have these checks either.  Remove the spurious
NULL checks.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
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