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-rw-r--r--drivers/staging/comedi/comedi_compat32.c50
-rw-r--r--drivers/staging/comedi/drivers/icp_multi.c3
-rw-r--r--drivers/staging/comedi/drivers/me4000.c44
-rw-r--r--drivers/staging/comedi/drivers/mite.c19
-rw-r--r--drivers/staging/comedi/drivers/plx9080.h4
-rw-r--r--drivers/staging/comedi/drivers/s626.c16
-rw-r--r--drivers/staging/comedi/kcomedilib/get.c4
-rw-r--r--drivers/staging/comedi/kcomedilib/kcomedilib_main.c35
-rw-r--r--drivers/staging/comedi/proc.c6
-rw-r--r--drivers/staging/comedi/range.c3
-rw-r--r--drivers/staging/comedi/rt.c4
11 files changed, 80 insertions, 108 deletions
diff --git a/drivers/staging/comedi/comedi_compat32.c b/drivers/staging/comedi/comedi_compat32.c
index 98e570a..7f5a869 100644
--- a/drivers/staging/comedi/comedi_compat32.c
+++ b/drivers/staging/comedi/comedi_compat32.c
@@ -98,15 +98,14 @@ typedef struct comedi32_insnlist_struct {
static int translated_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
- if (!file->f_op) {
+ if (!file->f_op)
return -ENOTTY;
- }
+
#ifdef HAVE_UNLOCKED_IOCTL
if (file->f_op->unlocked_ioctl) {
int rc = (int)(*file->f_op->unlocked_ioctl)(file, cmd, arg);
- if (rc == -ENOIOCTLCMD) {
+ if (rc == -ENOIOCTLCMD)
rc = -ENOTTY;
- }
return rc;
}
#endif
@@ -150,9 +149,8 @@ static int compat_chaninfo(struct file *file, unsigned long arg)
err |= __put_user(compat_ptr(temp.uptr), &chaninfo->flaglist);
err |= __get_user(temp.uptr, &chaninfo32->rangelist);
err |= __put_user(compat_ptr(temp.uptr), &chaninfo->rangelist);
- if (err) {
+ if (err)
return -EFAULT;
- }
return translated_ioctl(file, COMEDI_CHANINFO, (unsigned long)chaninfo);
}
@@ -182,9 +180,8 @@ static int compat_rangeinfo(struct file *file, unsigned long arg)
err |= __put_user(temp.uint, &rangeinfo->range_type);
err |= __get_user(temp.uptr, &rangeinfo32->range_ptr);
err |= __put_user(compat_ptr(temp.uptr), &rangeinfo->range_ptr);
- if (err) {
+ if (err)
return -EFAULT;
- }
return translated_ioctl(file, COMEDI_RANGEINFO,
(unsigned long)rangeinfo);
@@ -300,9 +297,8 @@ static int compat_cmd(struct file *file, unsigned long arg)
cmd = compat_alloc_user_space(sizeof(*cmd));
rc = get_compat_cmd(cmd, cmd32);
- if (rc) {
+ if (rc)
return rc;
- }
return translated_ioctl(file, COMEDI_CMD, (unsigned long)cmd);
}
@@ -318,19 +314,17 @@ static int compat_cmdtest(struct file *file, unsigned long arg)
cmd = compat_alloc_user_space(sizeof(*cmd));
rc = get_compat_cmd(cmd, cmd32);
- if (rc) {
+ if (rc)
return rc;
- }
rc = translated_ioctl(file, COMEDI_CMDTEST, (unsigned long)cmd);
- if (rc < 0) {
+ if (rc < 0)
return rc;
- }
err = put_compat_cmd(cmd32, cmd);
- if (err) {
+ if (err)
rc = err;
- }
+
return rc;
}
@@ -347,9 +341,9 @@ static int get_compat_insn(comedi_insn __user *insn,
/* Copy insn structure. Ignore the unused members. */
err = 0;
if (!access_ok(VERIFY_READ, insn32, sizeof(*insn32))
- || !access_ok(VERIFY_WRITE, insn, sizeof(*insn))) {
+ || !access_ok(VERIFY_WRITE, insn, sizeof(*insn)))
return -EFAULT;
- }
+
err |= __get_user(temp.uint, &insn32->insn);
err |= __put_user(temp.uint, &insn->insn);
err |= __get_user(temp.uint, &insn32->n);
@@ -386,9 +380,8 @@ static int compat_insnlist(struct file *file, unsigned long arg)
err |= __get_user(n_insns, &insnlist32->n_insns);
err |= __get_user(uptr, &insnlist32->insns);
insn32 = compat_ptr(uptr);
- if (err) {
+ if (err)
return -EFAULT;
- }
/* Allocate user memory to copy insnlist and insns into. */
s = compat_alloc_user_space(offsetof(struct combined_insnlist,
@@ -400,16 +393,14 @@ static int compat_insnlist(struct file *file, unsigned long arg)
}
err |= __put_user(n_insns, &s->insnlist.n_insns);
err |= __put_user(&s->insn[0], &s->insnlist.insns);
- if (err) {
+ if (err)
return -EFAULT;
- }
/* Copy insn structures. */
for (n = 0; n < n_insns; n++) {
rc = get_compat_insn(&s->insn[n], &insn32[n]);
- if (rc) {
+ if (rc)
return rc;
- }
}
return translated_ioctl(file, COMEDI_INSNLIST,
@@ -427,9 +418,8 @@ static int compat_insn(struct file *file, unsigned long arg)
insn = compat_alloc_user_space(sizeof(*insn));
rc = get_compat_insn(insn, insn32);
- if (rc) {
+ if (rc)
return rc;
- }
return translated_ioctl(file, COMEDI_INSN, (unsigned long)insn);
}
@@ -512,14 +502,14 @@ static int mapped_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg,
int rc;
/* Make sure we are dealing with a Comedi device. */
- if (imajor(file->f_dentry->d_inode) != COMEDI_MAJOR) {
+ if (imajor(file->f_dentry->d_inode) != COMEDI_MAJOR)
return -ENOTTY;
- }
+
rc = raw_ioctl(file, cmd, arg);
/* Do not return -ENOIOCTLCMD. */
- if (rc == -ENOIOCTLCMD) {
+ if (rc == -ENOIOCTLCMD)
rc = -ENOTTY;
- }
+
return rc;
}
diff --git a/drivers/staging/comedi/drivers/icp_multi.c b/drivers/staging/comedi/drivers/icp_multi.c
index 9603d9e..d9ff568 100644
--- a/drivers/staging/comedi/drivers/icp_multi.c
+++ b/drivers/staging/comedi/drivers/icp_multi.c
@@ -1080,9 +1080,8 @@ static int icp_multi_detach(comedi_device *dev)
if (dev->private && devpriv->card)
pci_card_free(devpriv->card);
- if (--pci_list_builded == 0) {
+ if (--pci_list_builded == 0)
pci_card_list_cleanup(PCI_VENDOR_ID_ICP);
- }
return 0;
}
diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c
index c1f10b8..5f6e77c 100644
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -378,9 +378,9 @@ static int me4000_probe(comedi_device *dev, comedi_devconfig *it)
CALL_PDEBUG("In me4000_probe()\n");
/* Allocate private memory */
- if (alloc_private(dev, sizeof(me4000_info_t)) < 0) {
+ if (alloc_private(dev, sizeof(me4000_info_t)) < 0)
return -ENOMEM;
- }
+
/*
* Probe the device to determine what device in the series it is.
*/
@@ -576,15 +576,13 @@ static int init_board_info(comedi_device *dev, struct pci_dev *pci_dev_p)
/* Get the serial number */
result = pci_read_config_dword(pci_dev_p, 0x2C, &info->serial_no);
- if (result != PCIBIOS_SUCCESSFUL) {
+ if (result != PCIBIOS_SUCCESSFUL)
return result;
- }
/* Get the hardware revision */
result = pci_read_config_byte(pci_dev_p, 0x08, &info->hw_revision);
- if (result != PCIBIOS_SUCCESSFUL) {
+ if (result != PCIBIOS_SUCCESSFUL)
return result;
- }
/* Get the vendor id */
info->vendor_id = pci_dev_p->vendor;
@@ -902,9 +900,8 @@ static int me4000_detach(comedi_device *dev)
if (info) {
if (info->pci_dev_p) {
reset_board(dev);
- if (info->plx_regbase) {
+ if (info->plx_regbase)
comedi_pci_disable(info->pci_dev_p);
- }
pci_dev_put(info->pci_dev_p);
}
}
@@ -1163,9 +1160,8 @@ static int ai_round_cmd_args(comedi_device *dev,
rest = (cmd->start_arg * 33) % 1000;
if (cmd->flags & TRIG_ROUND_NEAREST) {
- if (rest > 33) {
+ if (rest > 33)
(*init_ticks)++;
- }
} else if (cmd->flags & TRIG_ROUND_UP) {
if (rest)
(*init_ticks)++;
@@ -1177,9 +1173,8 @@ static int ai_round_cmd_args(comedi_device *dev,
rest = (cmd->scan_begin_arg * 33) % 1000;
if (cmd->flags & TRIG_ROUND_NEAREST) {
- if (rest > 33) {
+ if (rest > 33)
(*scan_ticks)++;
- }
} else if (cmd->flags & TRIG_ROUND_UP) {
if (rest)
(*scan_ticks)++;
@@ -1191,9 +1186,8 @@ static int ai_round_cmd_args(comedi_device *dev,
rest = (cmd->convert_arg * 33) % 1000;
if (cmd->flags & TRIG_ROUND_NEAREST) {
- if (rest > 33) {
+ if (rest > 33)
(*chan_ticks)++;
- }
} else if (cmd->flags & TRIG_ROUND_UP) {
if (rest)
(*chan_ticks)++;
@@ -1503,9 +1497,8 @@ static int me4000_ai_do_cmd_test(comedi_device *dev,
cmd->stop_src = TRIG_NONE;
err++;
}
- if (err) {
+ if (err)
return 1;
- }
/*
* Stage 2. Check for trigger source conflicts.
@@ -1553,9 +1546,8 @@ static int me4000_ai_do_cmd_test(comedi_device *dev,
cmd->scan_end_src = TRIG_NONE;
err++;
}
- if (err) {
+ if (err)
return 2;
- }
/*
* Stage 3. Check if arguments are generally valid.
@@ -1588,9 +1580,9 @@ static int me4000_ai_do_cmd_test(comedi_device *dev,
cmd->convert_arg = 2000;
err++;
}
- if (err) {
+
+ if (err)
return 3;
- }
/*
* Stage 4. Check for argument conflicts.
@@ -1735,9 +1727,9 @@ static int me4000_ai_do_cmd_test(comedi_device *dev,
err++;
}
}
- if (err) {
+
+ if (err)
return 4;
- }
/*
* Stage 5. Check the channel list.
@@ -1997,9 +1989,9 @@ static int me4000_dio_insn_bits(comedi_device *dev,
CALL_PDEBUG("In me4000_dio_insn_bits()\n");
/* Length of data must be 2 (mask and new data, see below) */
- if (insn->n == 0) {
+ if (insn->n == 0)
return 0;
- }
+
if (insn->n != 2) {
printk("comedi%d: me4000: me4000_dio_insn_bits(): Invalid instruction length\n", dev->minor);
return -EINVAL;
@@ -2274,9 +2266,9 @@ static int me4000_cnt_insn_read(comedi_device *dev,
CALL_PDEBUG("In me4000_cnt_insn_read()\n");
- if (insn->n == 0) {
+ if (insn->n == 0)
return 0;
- }
+
if (insn->n > 1) {
printk(KERN_ERR
"comedi%d: me4000: me4000_cnt_insn_read(): Invalid instruction length %d\n",
diff --git a/drivers/staging/comedi/drivers/mite.c b/drivers/staging/comedi/drivers/mite.c
index c7fe073..e0e2d6c 100644
--- a/drivers/staging/comedi/drivers/mite.c
+++ b/drivers/staging/comedi/drivers/mite.c
@@ -331,9 +331,9 @@ int mite_buf_change(struct mite_dma_descriptor_ring *ring, comedi_async * async)
ring->descriptors_dma_addr = 0;
ring->n_links = 0;
- if (async->prealloc_bufsz == 0) {
+ if (async->prealloc_bufsz == 0)
return 0;
- }
+
n_links = async->prealloc_bufsz >> PAGE_SHIFT;
MDPRINTK("ring->hw_dev=%p, n_links=0x%04x\n", ring->hw_dev, n_links);
@@ -395,9 +395,9 @@ void mite_prep_dma(struct mite_channel *mite_chan,
on e-series boards. */
chcr |= CHCR_BYTE_SWAP_DEVICE | CHCR_BYTE_SWAP_MEMORY;
}
- if (mite_chan->dir == COMEDI_INPUT) {
+ if (mite_chan->dir == COMEDI_INPUT)
chcr |= CHCR_DEV_TO_MEM;
- }
+
writel(chcr, mite->mite_io_addr + MITE_CHCR(mite_chan->channel));
/* to/from memory */
@@ -547,9 +547,9 @@ int mite_sync_input_dma(struct mite_channel *mite_chan, comedi_async * async)
count = nbytes - async->buf_write_count;
/* it's possible count will be negative due to
* conservative value returned by mite_bytes_written_to_memory_lb */
- if (count <= 0) {
+ if (count <= 0)
return 0;
- }
+
comedi_buf_write_free(async, count);
async->scan_progress += count;
@@ -586,9 +586,9 @@ int mite_sync_output_dma(struct mite_channel *mite_chan, comedi_async * async)
return -1;
}
count = nbytes_lb - async->buf_read_count;
- if (count <= 0) {
+ if (count <= 0)
return 0;
- }
+
if (count) {
comedi_buf_read_free(async, count);
async->events |= COMEDI_CB_BLOCK;
@@ -753,9 +753,8 @@ static void mite_decode(char **bit_str, unsigned int bits)
int i;
for (i = 31; i >= 0; i--) {
- if (bits & (1 << i)) {
+ if (bits & (1 << i))
printk(" %s", bit_str[i]);
- }
}
printk("\n");
}
diff --git a/drivers/staging/comedi/drivers/plx9080.h b/drivers/staging/comedi/drivers/plx9080.h
index e53d3d4..9231ba8 100644
--- a/drivers/staging/comedi/drivers/plx9080.h
+++ b/drivers/staging/comedi/drivers/plx9080.h
@@ -394,9 +394,9 @@ static inline int plx9080_abort_dma(void *iobase, unsigned int channel)
/* abort dma transfer if necessary */
dma_status = readb(dma_cs_addr);
- if ((dma_status & PLX_DMA_EN_BIT) == 0) {
+ if ((dma_status & PLX_DMA_EN_BIT) == 0)
return 0;
- }
+
/* wait to make sure done bit is zero */
for (i = 0; (dma_status & PLX_DMA_DONE_BIT) && i < timeout; i++) {
comedi_udelay(1);
diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c
index 22b1e72..d447f46 100644
--- a/drivers/staging/comedi/drivers/s626.c
+++ b/drivers/staging/comedi/drivers/s626.c
@@ -1290,18 +1290,15 @@ static int s626_detach(comedi_device *dev)
CloseDMAB(dev, &devpriv->ANABuf, DMABUF_SIZE);
}
- if (dev->irq) {
+ if (dev->irq)
comedi_free_irq(dev->irq, dev);
- }
- if (devpriv->base_addr) {
+ if (devpriv->base_addr)
iounmap(devpriv->base_addr);
- }
if (devpriv->pdev) {
- if (devpriv->got_regions) {
+ if (devpriv->got_regions)
comedi_pci_disable(devpriv->pdev);
- }
pci_dev_put(devpriv->pdev);
}
}
@@ -2072,9 +2069,8 @@ static int s626_ao_rinsn(comedi_device *dev, comedi_subdevice *s,
{
int i;
- for (i = 0; i < insn->n; i++) {
+ for (i = 0; i < insn->n; i++)
data[i] = devpriv->ao_readback[CR_CHAN(insn->chanspec)];
- }
return i;
}
@@ -2119,9 +2115,9 @@ static int s626_dio_insn_bits(comedi_device *dev, comedi_subdevice *s,
{
/* Length of data must be 2 (mask and new data, see below) */
- if (insn->n == 0) {
+ if (insn->n == 0)
return 0;
- }
+
if (insn->n != 2) {
printk("comedi%d: s626: s626_dio_insn_bits(): Invalid instruction length\n", dev->minor);
return -EINVAL;
diff --git a/drivers/staging/comedi/kcomedilib/get.c b/drivers/staging/comedi/kcomedilib/get.c
index 7817337..36778b3 100644
--- a/drivers/staging/comedi/kcomedilib/get.c
+++ b/drivers/staging/comedi/kcomedilib/get.c
@@ -160,9 +160,9 @@ int comedi_get_krange(comedi_t *d, unsigned int subdevice, unsigned int chan,
} else {
lr = s->range_table;
}
- if (range >= lr->length) {
+ if (range >= lr->length)
return -EINVAL;
- }
+
memcpy(krange, lr->range + range, sizeof(comedi_krange));
return 0;
diff --git a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
index 94a5067..7818e39 100644
--- a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
+++ b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
@@ -331,9 +331,9 @@ int comedi_lock(comedi_t *d, unsigned int subdevice)
unsigned long flags;
int ret = 0;
- if (subdevice >= dev->n_subdevices) {
+ if (subdevice >= dev->n_subdevices)
return -EINVAL;
- }
+
s = dev->subdevices + subdevice;
comedi_spin_lock_irqsave(&s->spin_lock, flags);
@@ -375,9 +375,9 @@ int comedi_unlock(comedi_t *d, unsigned int subdevice)
comedi_async *async;
int ret;
- if (subdevice >= dev->n_subdevices) {
+ if (subdevice >= dev->n_subdevices)
return -EINVAL;
- }
+
s = dev->subdevices + subdevice;
async = s->async;
@@ -425,9 +425,9 @@ int comedi_cancel(comedi_t *d, unsigned int subdevice)
comedi_subdevice *s;
int ret = 0;
- if (subdevice >= dev->n_subdevices) {
+ if (subdevice >= dev->n_subdevices)
return -EINVAL;
- }
+
s = dev->subdevices + subdevice;
if (s->lock && s->lock != d)
@@ -450,9 +450,9 @@ int comedi_cancel(comedi_t *d, unsigned int subdevice)
return ret;
#ifdef CONFIG_COMEDI_RT
- if (comedi_get_subdevice_runflags(s) & SRF_RT) {
+ if (comedi_get_subdevice_runflags(s) & SRF_RT)
comedi_switch_to_non_rt(dev);
- }
+
#endif
comedi_set_subdevice_runflags(s, SRF_RUNNING | SRF_RT, 0);
s->async->inttrig = NULL;
@@ -471,9 +471,9 @@ int comedi_register_callback(comedi_t *d, unsigned int subdevice,
comedi_subdevice *s;
comedi_async *async;
- if (subdevice >= dev->n_subdevices) {
+ if (subdevice >= dev->n_subdevices)
return -EINVAL;
- }
+
s = dev->subdevices + subdevice;
async = s->async;
@@ -507,9 +507,9 @@ int comedi_poll(comedi_t *d, unsigned int subdevice)
comedi_subdevice *s = dev->subdevices;
comedi_async *async;
- if (subdevice >= dev->n_subdevices) {
+ if (subdevice >= dev->n_subdevices)
return -EINVAL;
- }
+
s = dev->subdevices + subdevice;
async = s->async;
@@ -533,17 +533,16 @@ int comedi_map(comedi_t *d, unsigned int subdevice, void *ptr)
comedi_device *dev = (comedi_device *) d;
comedi_subdevice *s;
- if (subdevice >= dev->n_subdevices) {
+ if (subdevice >= dev->n_subdevices)
return -EINVAL;
- }
+
s = dev->subdevices + subdevice;
if (!s->async)
return -EINVAL;
- if (ptr) {
+ if (ptr)
*((void **)ptr) = s->async->prealloc_buf;
- }
/* XXX no reference counting */
@@ -556,9 +555,9 @@ int comedi_unmap(comedi_t *d, unsigned int subdevice)
comedi_device *dev = (comedi_device *) d;
comedi_subdevice *s;
- if (subdevice >= dev->n_subdevices) {
+ if (subdevice >= dev->n_subdevices)
return -EINVAL;
- }
+
s = dev->subdevices + subdevice;
if (!s->async)
diff --git a/drivers/staging/comedi/proc.c b/drivers/staging/comedi/proc.c
index 3f61828..6a1efa8 100644
--- a/drivers/staging/comedi/proc.c
+++ b/drivers/staging/comedi/proc.c
@@ -67,9 +67,8 @@ int comedi_read_procmem(char *buf, char **start, off_t offset, int len,
dev->board_name, dev->n_subdevices);
}
}
- if (!devices_q) {
+ if (!devices_q)
l += sprintf(buf + l, "no devices\n");
- }
for (driv = comedi_drivers; driv; driv = driv->next) {
l += sprintf(buf + l, "%s:\n", driv->driver_name);
@@ -78,9 +77,8 @@ int comedi_read_procmem(char *buf, char **start, off_t offset, int len,
*(char **)((char *)driv->board_name +
i * driv->offset));
}
- if (!driv->num_names) {
+ if (!driv->num_names)
l += sprintf(buf + l, " %s\n", driv->driver_name);
- }
}
return l;
diff --git a/drivers/staging/comedi/range.c b/drivers/staging/comedi/range.c
index b8eb4ec..e54be61 100644
--- a/drivers/staging/comedi/range.c
+++ b/drivers/staging/comedi/range.c
@@ -135,9 +135,8 @@ int check_chanlist(comedi_subdevice *s, int n, unsigned int *chanlist)
i, chanlist[i], s->n_chan,
s->range_table->length);
#if 0
- for (i = 0; i < n; i++) {
+ for (i = 0; i < n; i++)
printk("[%d]=0x%08x\n", i, chanlist[i]);
- }
#endif
return -EINVAL;
}
diff --git a/drivers/staging/comedi/rt.c b/drivers/staging/comedi/rt.c
index f4b8512..e6ec8b9 100644
--- a/drivers/staging/comedi/rt.c
+++ b/drivers/staging/comedi/rt.c
@@ -84,9 +84,9 @@ int comedi_request_irq(unsigned irq, irqreturn_t(*handler) (int,
("comedi: cannot get unshared interrupt, will not use RT interrupts.\n");
ret = request_irq(irq, handler, flags, device, dev_id);
}
- if (ret < 0) {
+ if (ret < 0)
return ret;
- }
+
} else {
it = kzalloc(sizeof(struct comedi_irq_struct), GFP_KERNEL);
if (!it)