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path: root/drivers/isdn/capi
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Diffstat (limited to 'drivers/isdn/capi')
-rw-r--r--drivers/isdn/capi/capi.c12
-rw-r--r--drivers/isdn/capi/capidrv.c7
2 files changed, 8 insertions, 11 deletions
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 0cabe31f26df..f80a7c48a35f 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -20,7 +20,6 @@
#include <linux/signal.h>
#include <linux/mutex.h>
#include <linux/mm.h>
-#include <linux/smp_lock.h>
#include <linux/timer.h>
#include <linux/wait.h>
#include <linux/tty.h>
@@ -50,6 +49,7 @@ MODULE_LICENSE("GPL");
/* -------- driver information -------------------------------------- */
+static DEFINE_MUTEX(capi_mutex);
static struct class *capi_class;
static int capi_major = 68; /* allocated */
@@ -691,7 +691,7 @@ unlock_out:
static ssize_t
capi_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
{
- struct capidev *cdev = (struct capidev *)file->private_data;
+ struct capidev *cdev = file->private_data;
struct sk_buff *skb;
size_t copied;
int err;
@@ -726,7 +726,7 @@ capi_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
static ssize_t
capi_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
{
- struct capidev *cdev = (struct capidev *)file->private_data;
+ struct capidev *cdev = file->private_data;
struct sk_buff *skb;
u16 mlen;
@@ -773,7 +773,7 @@ capi_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos
static unsigned int
capi_poll(struct file *file, poll_table * wait)
{
- struct capidev *cdev = (struct capidev *)file->private_data;
+ struct capidev *cdev = file->private_data;
unsigned int mask = 0;
if (!cdev->ap.applid)
@@ -985,9 +985,9 @@ capi_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int ret;
- lock_kernel();
+ mutex_lock(&capi_mutex);
ret = capi_ioctl(file, cmd, arg);
- unlock_kernel();
+ mutex_unlock(&capi_mutex);
return ret;
}
diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c
index bf55ed5f38e3..2978bdaa6b88 100644
--- a/drivers/isdn/capi/capidrv.c
+++ b/drivers/isdn/capi/capidrv.c
@@ -1450,12 +1450,9 @@ static void handle_dtrace_data(capidrv_contr *card,
}
for (p = data, end = data+len; p < end; p++) {
- u8 w;
PUTBYTE_TO_STATUS(card, ' ');
- w = (*p >> 4) & 0xf;
- PUTBYTE_TO_STATUS(card, (w < 10) ? '0'+w : 'A'-10+w);
- w = *p & 0xf;
- PUTBYTE_TO_STATUS(card, (w < 10) ? '0'+w : 'A'-10+w);
+ PUTBYTE_TO_STATUS(card, hex_asc_hi(*p));
+ PUTBYTE_TO_STATUS(card, hex_asc_lo(*p));
}
PUTBYTE_TO_STATUS(card, '\n');