[PATCH] staging/comedi/adl_pci8164: Don't assign string

From: Peter Huewe
Date: Mon Jan 28 2013 - 18:33:01 EST


Assigning a string is really bad,
and since we only have 1 char strings here we
can simply use a char to store the value and change the format specifier.

Signed-off-by: Peter Huewe <peterhuewe@xxxxxx>
---
drivers/staging/comedi/drivers/adl_pci8164.c | 28 +++++++++++++-------------
1 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adl_pci8164.c b/drivers/staging/comedi/drivers/adl_pci8164.c
index bfa71e0..ece84dd 100644
--- a/drivers/staging/comedi/drivers/adl_pci8164.c
+++ b/drivers/staging/comedi/drivers/adl_pci8164.c
@@ -62,35 +62,35 @@ static void adl_pci8164_insn_read(struct comedi_device *dev,
char *action, unsigned short offset)
{
int axis, axis_reg;
- char *axisname;
+ char axisname;

axis = CR_CHAN(insn->chanspec);

switch (axis) {
case 0:
axis_reg = PCI8164_AXIS_X;
- axisname = "X";
+ axisname = 'X';
break;
case 1:
axis_reg = PCI8164_AXIS_Y;
- axisname = "Y";
+ axisname = 'Y';
break;
case 2:
axis_reg = PCI8164_AXIS_Z;
- axisname = "Z";
+ axisname = 'Z';
break;
case 3:
axis_reg = PCI8164_AXIS_U;
- axisname = "U";
+ axisname = 'U';
break;
default:
axis_reg = PCI8164_AXIS_X;
- axisname = "X";
+ axisname = 'X';
}

data[0] = inw(dev->iobase + axis_reg + offset);
dev_dbg(dev->class_dev,
- "pci8164 %s read -> %04X:%04X on axis %s\n",
+ "pci8164 %s read -> %04X:%04X on axis %c\n",
action, data[0], data[1], axisname);
}

@@ -142,36 +142,36 @@ static void adl_pci8164_insn_out(struct comedi_device *dev,
{
unsigned int axis, axis_reg;

- char *axisname;
+ char axisname;

axis = CR_CHAN(insn->chanspec);

switch (axis) {
case 0:
axis_reg = PCI8164_AXIS_X;
- axisname = "X";
+ axisname = 'X';
break;
case 1:
axis_reg = PCI8164_AXIS_Y;
- axisname = "Y";
+ axisname = 'Y';
break;
case 2:
axis_reg = PCI8164_AXIS_Z;
- axisname = "Z";
+ axisname = 'Z';
break;
case 3:
axis_reg = PCI8164_AXIS_U;
- axisname = "U";
+ axisname = 'U';
break;
default:
axis_reg = PCI8164_AXIS_X;
- axisname = "X";
+ axisname = 'X';
}

outw(data[0], dev->iobase + axis_reg + offset);

dev_dbg(dev->class_dev,
- "pci8164 %s write -> %04X:%04X on axis %s\n",
+ "pci8164 %s write -> %04X:%04X on axis %c\n",
action, data[0], data[1], axisname);

}
--
1.7.8.6

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