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rfkill: introduce RFKILL_STATE_MAX

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While it is interesting to not add last-enum-markers because it allows gcc
to warn us of switch() statements missing a valid state, we really should
be handling memory corruption on a rfkill state with default clauses,
anyway.

So add RFKILL_STATE_MAX and use it where applicable.  It makes for safer
code in the long run.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Henrique de Moraes Holschuh 2008-08-02 15:11:00 -03:00 • committed by John W. Linville
parent 77fba13ccc
commit 96c87607ac
2 changed files with 9 additions and 3 deletions
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1
include/linux/rfkill.h
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@ -49,6 +49,7 @@ enum rfkill_state {
RFKILL_STATE_SOFT_BLOCKED = 0, /* Radio output blocked */
RFKILL_STATE_UNBLOCKED = 1, /* Radio output allowed */
RFKILL_STATE_HARD_BLOCKED = 2, /* Output blocked, non-overrideable */
RFKILL_STATE_MAX, /* marker for last valid state */
};
/*