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Re: [PATCH wireless-next] wireless: Remove unnecessary ; from while (0) macros

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On 04/03/2012 04:46 PM, Joe Perches wrote:
Semicolons are not necessary after macros that end in while (0).
Remove them.

Simplify the macros with tests of
do { if (foo>size) memset1; else memset2;} while (0);
to a single line memset(,,min_t(size_t, foo, size))

Signed-off-by: Joe Perches<joe@xxxxxxxxxxx>

ACKed-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx> (rtlwifi part)

---
  drivers/net/wireless/ath/carl9170/cmd.h       |    6 +++---
  drivers/net/wireless/brcm80211/brcmsmac/d11.h |    2 +-
  drivers/net/wireless/mwifiex/sdio.h           |    8 ++++----
  drivers/net/wireless/rtlwifi/rtl8192ce/trx.h  |    7 +------
  drivers/net/wireless/rtlwifi/rtl8192de/trx.h  |    8 ++------
  drivers/net/wireless/rtlwifi/rtl8192se/def.h  |    7 +------
  drivers/net/wireless/rtlwifi/rtl8192se/fw.h   |    6 +++---
  7 files changed, 15 insertions(+), 29 deletions(-)

diff --git a/drivers/net/wireless/ath/carl9170/cmd.h b/drivers/net/wireless/ath/carl9170/cmd.h
index 885c427..65919c9 100644
--- a/drivers/net/wireless/ath/carl9170/cmd.h
+++ b/drivers/net/wireless/ath/carl9170/cmd.h
@@ -114,7 +114,7 @@ __regwrite_out :							\

  #define carl9170_regwrite_result()					\
  	__err;								\
-} while (0);
+} while (0)


  #define carl9170_async_regwrite_get_buf()				\
@@ -126,7 +126,7 @@ do {									\
  		__err = -ENOMEM;					\
  		goto __async_regwrite_out;				\
  	}								\
-} while (0);
+} while (0)

  #define carl9170_async_regwrite_begin(carl)				\
  do {									\
@@ -169,6 +169,6 @@ __async_regwrite_out:							\

  #define carl9170_async_regwrite_result()				\
  	__err;								\
-} while (0);
+} while (0)

  #endif /* __CMD_H */
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/d11.h b/drivers/net/wireless/brcm80211/brcmsmac/d11.h
index 1948cb2..3f659e0 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/d11.h
+++ b/drivers/net/wireless/brcm80211/brcmsmac/d11.h
@@ -733,7 +733,7 @@ struct cck_phy_hdr {
  	do { \
  		plcp[1] = len&  0xff; \
  		plcp[2] = ((len>>  8)&  0xff); \
-	} while (0);
+	} while (0)

  #define BRCMS_SET_MIMO_PLCP_AMPDU(plcp) (plcp[3] |= MIMO_PLCP_AMPDU)
  #define BRCMS_CLR_MIMO_PLCP_AMPDU(plcp) (plcp[3]&= ~MIMO_PLCP_AMPDU)
diff --git a/drivers/net/wireless/mwifiex/sdio.h b/drivers/net/wireless/mwifiex/sdio.h
index a3fb322..0ead152 100644
--- a/drivers/net/wireless/mwifiex/sdio.h
+++ b/drivers/net/wireless/mwifiex/sdio.h
@@ -193,7 +193,7 @@
  		a->mpa_tx.ports |= (1<<(a->mpa_tx.pkt_cnt+1+(MAX_PORT -	\
  						a->mp_end_port)));	\
  	a->mpa_tx.pkt_cnt++;						\
-} while (0);
+} while (0)

  /* SDIO Tx aggregation limit ? */
  #define MP_TX_AGGR_PKT_LIMIT_REACHED(a)					\
@@ -211,7 +211,7 @@
  	a->mpa_tx.buf_len = 0;						\
  	a->mpa_tx.ports = 0;						\
  	a->mpa_tx.start_port = 0;					\
-} while (0);
+} while (0)

  /* SDIO Rx aggregation limit ? */
  #define MP_RX_AGGR_PKT_LIMIT_REACHED(a)					\
@@ -242,7 +242,7 @@
  	a->mpa_rx.skb_arr[a->mpa_rx.pkt_cnt] = skb;			\
  	a->mpa_rx.len_arr[a->mpa_rx.pkt_cnt] = skb->len;		\
  	a->mpa_rx.pkt_cnt++;						\
-} while (0);
+} while (0)

  /* Reset SDIO Rx aggregation buffer parameters */
  #define MP_RX_AGGR_BUF_RESET(a) do {					\
@@ -250,7 +250,7 @@
  	a->mpa_rx.buf_len = 0;						\
  	a->mpa_rx.ports = 0;						\
  	a->mpa_rx.start_port = 0;					\
-} while (0);
+} while (0)


  /* data structure for SDIO MPA TX */
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.h b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.h
index efb9ab2..c4adb97 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.h
@@ -530,12 +530,7 @@
  	SET_BITS_OFFSET_LE(__pdesc+28, 0, 32, __val)

  #define CLEAR_PCI_TX_DESC_CONTENT(__pdesc, _size)	\
-do {							\
-	if (_size>  TX_DESC_NEXT_DESC_OFFSET)		\
-		memset(__pdesc, 0, TX_DESC_NEXT_DESC_OFFSET);	\
-	else						\
-		memset(__pdesc, 0, _size);	\
-} while (0);
+	memset(__pdesc, 0, min_t(size_t, _size, TX_DESC_NEXT_DESC_OFFSET))

  struct rx_fwinfo_92c {
  	u8 gain_trsw[4];
diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/trx.h b/drivers/net/wireless/rtlwifi/rtl8192de/trx.h
index 0dc736c..057a524 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/trx.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/trx.h
@@ -530,12 +530,8 @@
  	SET_BITS_OFFSET_LE(__pdesc+28, 0, 32, __val)

  #define CLEAR_PCI_TX_DESC_CONTENT(__pdesc, _size)	\
-do {							\
-	if (_size>  TX_DESC_NEXT_DESC_OFFSET)		\
-		memset((void *)__pdesc, 0, TX_DESC_NEXT_DESC_OFFSET);	\
-	else						\
-		memset((void *)__pdesc, 0, _size);	\
-} while (0);
+	memset((void *)__pdesc, 0,			\
+	       min_t(size_t, _size, TX_DESC_NEXT_DESC_OFFSET))

  /* For 92D early mode */
  #define SET_EARLYMODE_PKTNUM(__paddr, __value)		\
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/def.h b/drivers/net/wireless/rtlwifi/rtl8192se/def.h
index d1b0a1e..20afec6 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/def.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/def.h
@@ -252,12 +252,7 @@
   * the desc is cleared. */
  #define	TX_DESC_NEXT_DESC_OFFSET			36
  #define CLEAR_PCI_TX_DESC_CONTENT(__pdesc, _size)		\
-do {								\
-	if (_size>  TX_DESC_NEXT_DESC_OFFSET)			\
-		memset(__pdesc, 0, TX_DESC_NEXT_DESC_OFFSET);	\
-	else							\
-		memset(__pdesc, 0, _size);			\
-} while (0);
+	memset(__pdesc, 0, min_t(size_t, _size, TX_DESC_NEXT_DESC_OFFSET))

  /* Rx Desc */
  #define RX_STATUS_DESC_SIZE				24
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/fw.h b/drivers/net/wireless/rtlwifi/rtl8192se/fw.h
index b4afff6..d53f433 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/fw.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/fw.h
@@ -345,7 +345,7 @@ enum fw_h2c_cmd {
  	do {							\
  		udelay(1000);					\
  		rtlpriv->rtlhal.fwcmd_iomap&= (~_Bit);		\
-	} while (0);
+	} while (0)

  #define FW_CMD_IO_UPDATE(rtlpriv, _val)				\
  	rtlpriv->rtlhal.fwcmd_iomap = _val;
@@ -354,13 +354,13 @@ enum fw_h2c_cmd {
  	do {							\
  		rtl_write_word(rtlpriv, LBUS_MON_ADDR, (u16)_val);	\
  		FW_CMD_IO_UPDATE(rtlpriv, _val);		\
-	} while (0);
+	} while (0)

  #define FW_CMD_PARA_SET(rtlpriv, _val)				\
  	do {							\
  		rtl_write_dword(rtlpriv, LBUS_ADDR_MASK, _val);	\
  		rtlpriv->rtlhal.fwcmd_ioparam = _val;		\
-	} while (0);
+	} while (0)

  #define FW_CMD_IO_QUERY(rtlpriv)				\
  	(u16)(rtlpriv->rtlhal.fwcmd_iomap)




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