misc: st_core: Protect unsigned value against becoming negative

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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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Lee Jones 2014-08-13 12:23:10 +01:00

parent 374de1642e

commit 4001998a43

1 changed files with 5 additions and 6 deletions

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drivers/misc/ti-st/st_core.c

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