tree 60a8202982629355778e58a8fa97b684a131b6c1
parent 0ae39cc98192252f756f8943be85e9f4dbd8436e
author Lee Jones <lee.jones@linaro.org> 1409231648 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1411539268 -0700

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>