linux-kernel - [PATCH 2/3] WDEV, ath5k, don't return int from bool function

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Date:	Fri, 15 Feb 2008 21:58:52 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	linville@...driver.com
Cc:	<linux-kernel@...r.kernel.org>, linux-wireless@...r.kernel.org,
	ath5k-devel@...ts.ath5k.org, Jiri Slaby <jirislaby@...il.com>,
	Nick Kossifidis <mickflemm@...il.com>,
	"Luis R. Rodriguez" <mcgrof@...il.com>
Subject: [PATCH 2/3] WDEV, ath5k, don't return int from bool function

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@...il.com>
Cc: Nick Kossifidis <mickflemm@...il.com>
Cc: Luis R. Rodriguez <mcgrof@...il.com>
---
 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;
 }
 
 /*
-- 
1.5.3.8

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