2015-02-03 18:58:31

by bill dr

[permalink] [raw]
Subject: [PATCH] staging: ft1000: fix braces warning

This patch fix the checkpatch.pl WARNING:

WARNING: braces {} are not necessary for single statement blocks

Signed-off-by: Bilel DRIRA <[email protected]>
---
drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c | 78 +++++++++-------------
1 file changed, 31 insertions(+), 47 deletions(-)

diff --git a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c
index 5e0cdcf26180..56da289de076 100644
--- a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c
+++ b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c
@@ -204,11 +204,11 @@ static inline void ft1000_write_dpram_mag_16(struct net_device *dev,
/* Provide mutual exclusive access while reading ASIC registers. */
spin_lock_irqsave(&info->dpram_lock, flags);
ft1000_write_reg(dev, FT1000_REG_DPRAM_ADDR, offset);
- if (Index) {
+ if (Index)
ft1000_write_reg(dev, FT1000_REG_MAG_DPDATAL, value);
- } else {
+ else
ft1000_write_reg(dev, FT1000_REG_MAG_DPDATAH, value);
- }
+
spin_unlock_irqrestore(&info->dpram_lock, flags);
}

@@ -440,9 +440,8 @@ static int ft1000_reset_card(struct net_device *dev)
tempword =
ft1000_read_dpram_mag_16(dev, FT1000_MAG_DPRAM_FEFE,
FT1000_MAG_DPRAM_FEFE_INDX);
- if (tempword == 0xfefe) {
+ if (tempword == 0xfefe)
break;
- }
mdelay(20);
}

@@ -621,9 +620,9 @@ static void ft1000_hbchk(u_long data)

tempword = ft1000_read_reg(dev, FT1000_REG_DOORBELL);
/* Let's check doorbell again if fail */
- if (tempword & FT1000_DB_HB) {
+ if (tempword & FT1000_DB_HB)
tempword = ft1000_read_reg(dev, FT1000_REG_DOORBELL);
- }
+
if (tempword & FT1000_DB_HB) {
pr_info("heartbeat doorbell not clear by firmware\n");
if (info->AsicID == ELECTRABUZZ_ID) {
@@ -766,9 +765,8 @@ static void ft1000_send_cmd(struct net_device *dev, u16 *ptempbuffer, int size,

size += sizeof(struct pseudo_hdr);
/* check for odd byte and increment to 16-bit word align value */
- if ((size & 0x0001)) {
+ if ((size & 0x0001))
size++;
- }
pr_debug("total length = %d\n", size);
pr_debug("length = %d\n", ntohs(*ptempbuffer));
/*
@@ -911,9 +909,8 @@ static bool ft1000_receive_cmd(struct net_device *dev, u16 *pbuffer,
* Calculate pseudo header checksum
*/
tempword = *ppseudohdr++;
- for (i = 1; i < 7; i++) {
+ for (i = 1; i < 7; i++)
tempword ^= *ppseudohdr++;
- }
if ((tempword != *ppseudohdr)) {
pr_debug("Pseudo header checksum mismatch\n");
/* Drop this message */
@@ -977,9 +974,8 @@ static void ft1000_proc_drvmsg(struct net_device *dev)
while (tempword & FT1000_DB_DPRAM_TX) {
mdelay(5);
i++;
- if (i == 10) {
+ if (i == 10)
break;
- }
}
ptr =
list_entry(info->prov_list.next,
@@ -1099,9 +1095,8 @@ static void ft1000_proc_drvmsg(struct net_device *dev)
mdelay(10);
tempword =
ft1000_read_reg(dev, FT1000_REG_DOORBELL);
- if (tempword & FT1000_DB_DPRAM_TX) {
+ if (tempword & FT1000_DB_DPRAM_TX)
mdelay(10);
- }
}

if ((tempword & FT1000_DB_DPRAM_TX) == 0) {
@@ -1128,9 +1123,9 @@ static void ft1000_proc_drvmsg(struct net_device *dev)
ppseudo_hdr->portsrc = 0;
/* Calculate new checksum */
ppseudo_hdr->checksum = *pmsg++;
- for (i = 1; i < 7; i++) {
+ for (i = 1; i < 7; i++)
ppseudo_hdr->checksum ^= *pmsg++;
- }
+
info->DSPInfoBlk[8] = 0x7200;
info->DSPInfoBlk[9] =
htons(info->DSPInfoBlklen);
@@ -1150,9 +1145,8 @@ static void ft1000_proc_drvmsg(struct net_device *dev)
mdelay(10);
tempword =
ft1000_read_reg(dev, FT1000_REG_DOORBELL);
- if (tempword & FT1000_DB_DPRAM_TX) {
+ if (tempword & FT1000_DB_DPRAM_TX)
mdelay(10);
- }
}

if ((tempword & FT1000_DB_DPRAM_TX) == 0) {
@@ -1178,9 +1172,9 @@ static void ft1000_proc_drvmsg(struct net_device *dev)
ppseudo_hdr->portsrc = 0;
/* Calculate new checksum */
ppseudo_hdr->checksum = *pmsg++;
- for (i = 1; i < 7; i++) {
+ for (i = 1; i < 7; i++)
ppseudo_hdr->checksum ^= *pmsg++;
- }
+
pmsg = (u16 *)&tempbuffer[16];
*pmsg++ = htons(RSP_DRV_ERR_RPT_MSG);
*pmsg++ = htons(0x000e);
@@ -1502,9 +1496,8 @@ static void ft1000_flush_fifo(struct net_device *dev, u16 DrvErrNum)
tempword = inw(dev->base_addr + FT1000_REG_MAG_DFSR);
pr_debug("FT1000_REG_MAG_DFSR = 0x%x\n", tempword);
}
- if (DrvErrNum) {
+ if (DrvErrNum)
pcmcia->PktIntfErr++;
- }
}
}

@@ -1561,9 +1554,9 @@ static int ft1000_copy_up_pkt(struct net_device *dev)
if (skb == NULL) {
pr_debug("No Network buffers available\n");
/* Read High word to complete 32 bit access */
- if (info->AsicID == MAGNEMITE_ID) {
+ if (info->AsicID == MAGNEMITE_ID)
tempword = ft1000_read_reg(dev, FT1000_REG_MAG_DFRH);
- }
+
ft1000_flush_fifo(dev, 0);
info->stats.rx_errors++;
return FAILURE;
@@ -1667,9 +1660,8 @@ static int ft1000_copy_up_pkt(struct net_device *dev)
}

pr_debug("Data passed to Protocol layer:\n");
- for (i = 0; i < len + 12; i++) {
+ for (i = 0; i < len + 12; i++)
pr_debug("Protocol Data: 0x%x\n", *ptemp++);
- }

skb->dev = dev;
skb->protocol = eth_type_trans(skb, dev);
@@ -1723,21 +1715,16 @@ static int ft1000_copy_down_pkt(struct net_device *dev, u16 *packet, u16 len)
/* Check if there is room on the FIFO */
if (len > ft1000_read_fifo_len(dev)) {
udelay(10);
- if (len > ft1000_read_fifo_len(dev)) {
+ if (len > ft1000_read_fifo_len(dev))
udelay(20);
- }
- if (len > ft1000_read_fifo_len(dev)) {
+ if (len > ft1000_read_fifo_len(dev))
udelay(20);
- }
- if (len > ft1000_read_fifo_len(dev)) {
+ if (len > ft1000_read_fifo_len(dev))
udelay(20);
- }
- if (len > ft1000_read_fifo_len(dev)) {
+ if (len > ft1000_read_fifo_len(dev))
udelay(20);
- }
- if (len > ft1000_read_fifo_len(dev)) {
+ if (len > ft1000_read_fifo_len(dev))
udelay(20);
- }
if (len > ft1000_read_fifo_len(dev)) {
pr_debug("Transmit FIFO is full - pkt drop\n");
info->stats.tx_errors++;
@@ -1745,11 +1732,11 @@ static int ft1000_copy_down_pkt(struct net_device *dev, u16 *packet, u16 len)
}
}
/* Create pseudo header and send pseudo/ip to hardware */
- if (info->AsicID == ELECTRABUZZ_ID) {
+ if (info->AsicID == ELECTRABUZZ_ID)
pseudo.blk.length = len;
- } else {
+ else
pseudo.blk.length = ntohs(len);
- }
+
pseudo.blk.source = DSPID; /* Need to swap to get in correct order */
pseudo.blk.destination = HOSTID;
pseudo.blk.portdest = NETWORKID; /* Need to swap to get in correct order */
@@ -1762,9 +1749,8 @@ static int ft1000_copy_down_pkt(struct net_device *dev, u16 *packet, u16 len)
pseudo.blk.qos_class = 0;
/* Calculate pseudo header checksum */
pseudo.blk.checksum = pseudo.buff[0];
- for (i = 1; i < 7; i++) {
+ for (i = 1; i < 7; i++)
pseudo.blk.checksum ^= pseudo.buff[i];
- }

/* Production Mode */
if (info->AsicID == ELECTRABUZZ_ID) {
@@ -1829,9 +1815,8 @@ static int ft1000_copy_down_pkt(struct net_device *dev, u16 *packet, u16 len)

plong = (u32 *)packet;
/* Write PPP type + IP Packet into Downlink FIFO */
- for (i = 0; i < (len >> 2); i++) {
+ for (i = 0; i < (len >> 2); i++)
outl(*plong++, dev->base_addr + FT1000_REG_MAG_UFDR);
- }

/* Check for odd alignment */
if (len & 0x0003) {
@@ -1963,11 +1948,10 @@ static irqreturn_t ft1000_interrupt(int irq, void *dev_id)
ft1000_read_reg(dev,
FT1000_REG_MAG_DFSR);
}
- if (tempword & 0x1f) {
+ if (tempword & 0x1f)
ft1000_copy_up_pkt(dev);
- } else {
+ else
break;
- }
cnt++;
} while (cnt < MAX_RCV_LOOP);

--
1.7.9.5


2015-02-03 19:05:16

by Joe Perches

[permalink] [raw]
Subject: Re: [PATCH] staging: ft1000: fix braces warning

On Tue, 2015-02-03 at 19:58 +0100, Bilel DRIRA wrote:
> This patch fix the checkpatch.pl WARNING:
[]
> diff --git a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c
[]
> @@ -1963,11 +1948,10 @@ static irqreturn_t ft1000_interrupt(int irq, void *dev_id)
> ft1000_read_reg(dev,
> FT1000_REG_MAG_DFSR);
> }
> - if (tempword & 0x1f) {
> + if (tempword & 0x1f)
> ft1000_copy_up_pkt(dev);
> - } else {
> + else
> break;
> - }
> cnt++;
> } while (cnt < MAX_RCV_LOOP);
>

trivia: the logic here is generally better inverted:

if (!(tempword & 0x1f))
break;
ft1000_copy_up_pkt(dev);
cnt++;
} while (cnt < etc...)

2015-02-03 20:05:35

by bill dr

[permalink] [raw]
Subject: Re: [PATCH] staging: ft1000: fix braces warning

Ok,thank you, I will do that and resend the patch again.

On Tue, Feb 03, 2015 at 11:05:08AM -0800, Joe Perches wrote:
> On Tue, 2015-02-03 at 19:58 +0100, Bilel DRIRA wrote:
> > This patch fix the checkpatch.pl WARNING:
> []
> > diff --git a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c
> []
> > @@ -1963,11 +1948,10 @@ static irqreturn_t ft1000_interrupt(int irq, void *dev_id)
> > ft1000_read_reg(dev,
> > FT1000_REG_MAG_DFSR);
> > }
> > - if (tempword & 0x1f) {
> > + if (tempword & 0x1f)
> > ft1000_copy_up_pkt(dev);
> > - } else {
> > + else
> > break;
> > - }
> > cnt++;
> > } while (cnt < MAX_RCV_LOOP);
> >
>
> trivia: the logic here is generally better inverted:
>
> if (!(tempword & 0x1f))
> break;
> ft1000_copy_up_pkt(dev);
> cnt++;
> } while (cnt < etc...)
>
>

2015-02-03 20:14:32

by Joe Perches

[permalink] [raw]
Subject: Re: [PATCH] staging: ft1000: fix braces warning

On Tue, 2015-02-03 at 21:05 +0100, bill wrote:
> Ok,thank you, I will do that and resend the patch again.

I wouldn't.
It's probably better as a separate patch anyway.

btw: please don't top post.

cheers, Joe

> On Tue, Feb 03, 2015 at 11:05:08AM -0800, Joe Perches wrote:
> > On Tue, 2015-02-03 at 19:58 +0100, Bilel DRIRA wrote:
> > > This patch fix the checkpatch.pl WARNING:
> > []
> > > diff --git a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c
> > []
> > > @@ -1963,11 +1948,10 @@ static irqreturn_t ft1000_interrupt(int irq, void *dev_id)
[]
> > trivia: the logic here is generally better inverted: