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Re: [PATCH 2/3] WDEV, ath5k, don't return int from bool function

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2008/2/15, Jiri Slaby <jirislaby@xxxxxxxxx>:
> sparse sees int -> bool cast as an error:
>  hw.c:3754:10: warning: cast truncates bits from constant value (ffffffea becomes 0)
>  Fix it by converting the rettype to int and check appropriately.
>
>  Signed-off-by: Jiri Slaby <jirislaby@xxxxxxxxx>
>  Cc: Nick Kossifidis <mickflemm@xxxxxxxxx>
>  Cc: Luis R. Rodriguez <mcgrof@xxxxxxxxx>
>  ---
>   drivers/net/wireless/ath5k/ath5k.h |    2 +-
>   drivers/net/wireless/ath5k/base.c  |    5 ++++-
>   drivers/net/wireless/ath5k/hw.c    |    8 ++++----
>   3 files changed, 9 insertions(+), 6 deletions(-)
>
>  diff --git a/drivers/net/wireless/ath5k/ath5k.h b/drivers/net/wireless/ath5k/ath5k.h
>  index c79066b..69dea33 100644
>  --- a/drivers/net/wireless/ath5k/ath5k.h
>  +++ b/drivers/net/wireless/ath5k/ath5k.h
>  @@ -1035,7 +1035,7 @@ struct ath5k_hw {
>                 unsigned int, unsigned int, enum ath5k_pkt_type, unsigned int,
>                 unsigned int, unsigned int, unsigned int, unsigned int,
>                 unsigned int, unsigned int, unsigned int);
>  -       bool (*ah_setup_xtx_desc)(struct ath5k_hw *, struct ath5k_desc *,
>  +       int (*ah_setup_xtx_desc)(struct ath5k_hw *, struct ath5k_desc *,
>                 unsigned int, unsigned int, unsigned int, unsigned int,
>                 unsigned int, unsigned int);
>         int (*ah_proc_tx_desc)(struct ath5k_hw *, struct ath5k_desc *);
>  diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
>  index 49d38e8..59e5d56 100644
>  --- a/drivers/net/wireless/ath5k/base.c
>  +++ b/drivers/net/wireless/ath5k/base.c
>  @@ -668,7 +668,10 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
>          * return false w/o doing anything.  MAC's that do
>          * support it will return true w/o doing anything.
>          */
>  -       if (ah->ah_setup_xtx_desc(ah, NULL, 0, 0, 0, 0, 0, 0))
>  +       ret = ah->ah_setup_xtx_desc(ah, NULL, 0, 0, 0, 0, 0, 0);
>  +       if (ret < 0)
>  +               goto err;
>  +       if (ret > 0)
>                 __set_bit(ATH_STAT_MRRETRY, sc->status);
>
>         /*
>  diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c
>  index 93a75f2..463413a 100644
>  --- a/drivers/net/wireless/ath5k/hw.c
>  +++ b/drivers/net/wireless/ath5k/hw.c
>  @@ -45,7 +45,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *, struct ath5k_desc *,
>         unsigned int, unsigned int, enum ath5k_pkt_type, unsigned int,
>         unsigned int, unsigned int, unsigned int, unsigned int, unsigned int,
>         unsigned int, unsigned int);
>  -static bool ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *, struct ath5k_desc *,
>  +static int ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *, struct ath5k_desc *,
>         unsigned int, unsigned int, unsigned int, unsigned int, unsigned int,
>         unsigned int);
>   static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *, struct ath5k_desc *);
>  @@ -3733,7 +3733,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah,
>   /*
>   * Initialize a 4-word multirate tx descriptor on 5212
>   */
>  -static bool
>  +static int
>   ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
>         unsigned int tx_rate1, u_int tx_tries1, u_int tx_rate2, u_int tx_tries2,
>         unsigned int tx_rate3, u_int tx_tries3)
>  @@ -3773,10 +3773,10 @@ ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
>
>   #undef _XTX_TRIES
>
>  -               return true;
>  +               return 1;
>         }
>
>  -       return false;
>  +       return 0;
>   }
>
>   /*
>


Acked-by: Nick Kossifidis <mickflemm@xxxxxxxxx>


-- 
GPG ID: 0xD21DB2DB
As you read this post global entropy rises. Have Fun ;-)
Nick
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