From: Lee Jones <lee.jones@linaro.org>
Date: Thu, 28 Aug 2014 13:14:08 +0000 (+0100)
Subject: misc: st_core: Protect unsigned value against becoming negative
X-Git-Tag: fixes-for-v3.18-merge-window~11^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e4ebe5fe2d507a4c228bf90dea7dd4de57cbce92;p=pandora-kernel.git

misc: st_core: Protect unsigned value against becoming negative

Coverity reported:
  This less-than-zero comparison of an unsigned value is never true.

In answer to that, we only ever decrement if protos_registered is
positive.  We can subsequently remove the paranoid checking during
unregister.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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