From: Lee Jones <lee.jones@linaro.org>
Date: Wed, 13 Aug 2014 11:23:10 +0000 (+0100)
Subject: misc: st_core: Protect unsigned value against becoming negative
X-Git-Tag: fixes-against-v3.18-rc2~69^2~77
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4001998a43f4791b6e6c06df563f5d5bb3fbe4fb;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.

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

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