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path: root/drivers/isdn/hysdn
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Diffstat (limited to 'drivers/isdn/hysdn')
-rw-r--r--drivers/isdn/hysdn/hysdn_net.c3
-rw-r--r--drivers/isdn/hysdn/hysdn_procconf.c21
-rw-r--r--drivers/isdn/hysdn/hysdn_proclog.c51
3 files changed, 28 insertions, 47 deletions
diff --git a/drivers/isdn/hysdn/hysdn_net.c b/drivers/isdn/hysdn/hysdn_net.c
index 72eb92647c1b..feec8d89d719 100644
--- a/drivers/isdn/hysdn/hysdn_net.c
+++ b/drivers/isdn/hysdn/hysdn_net.c
@@ -187,12 +187,13 @@ void
hysdn_rx_netpkt(hysdn_card * card, unsigned char *buf, unsigned short len)
{
struct net_local *lp = card->netif;
- struct net_device *dev = lp->dev;
+ struct net_device *dev;
struct sk_buff *skb;
if (!lp)
return; /* non existing device */
+ dev = lp->dev;
dev->stats.rx_bytes += len;
skb = dev_alloc_skb(len);
diff --git a/drivers/isdn/hysdn/hysdn_procconf.c b/drivers/isdn/hysdn/hysdn_procconf.c
index 80966462d6dc..96b3e39c3356 100644
--- a/drivers/isdn/hysdn/hysdn_procconf.c
+++ b/drivers/isdn/hysdn/hysdn_procconf.c
@@ -17,11 +17,12 @@
#include <linux/proc_fs.h>
#include <linux/pci.h>
#include <linux/slab.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <net/net_namespace.h>
#include "hysdn_defs.h"
+static DEFINE_MUTEX(hysdn_conf_mutex);
static char *hysdn_procconf_revision = "$Revision: 1.8.6.4 $";
#define INFO_OUT_LEN 80 /* length of info line including lf */
@@ -234,7 +235,7 @@ hysdn_conf_open(struct inode *ino, struct file *filep)
char *cp, *tmp;
/* now search the addressed card */
- lock_kernel();
+ mutex_lock(&hysdn_conf_mutex);
card = card_root;
while (card) {
pd = card->procconf;
@@ -243,7 +244,7 @@ hysdn_conf_open(struct inode *ino, struct file *filep)
card = card->next; /* search next entry */
}
if (!card) {
- unlock_kernel();
+ mutex_unlock(&hysdn_conf_mutex);
return (-ENODEV); /* device is unknown/invalid */
}
if (card->debug_flags & (LOG_PROC_OPEN | LOG_PROC_ALL))
@@ -255,7 +256,7 @@ hysdn_conf_open(struct inode *ino, struct file *filep)
/* write only access -> write boot file or conf line */
if (!(cnf = kmalloc(sizeof(struct conf_writedata), GFP_KERNEL))) {
- unlock_kernel();
+ mutex_unlock(&hysdn_conf_mutex);
return (-EFAULT);
}
cnf->card = card;
@@ -267,7 +268,7 @@ hysdn_conf_open(struct inode *ino, struct file *filep)
/* read access -> output card info data */
if (!(tmp = kmalloc(INFO_OUT_LEN * 2 + 2, GFP_KERNEL))) {
- unlock_kernel();
+ mutex_unlock(&hysdn_conf_mutex);
return (-EFAULT); /* out of memory */
}
filep->private_data = tmp; /* start of string */
@@ -301,10 +302,10 @@ hysdn_conf_open(struct inode *ino, struct file *filep)
*cp++ = '\n';
*cp = 0; /* end of string */
} else { /* simultaneous read/write access forbidden ! */
- unlock_kernel();
+ mutex_unlock(&hysdn_conf_mutex);
return (-EPERM); /* no permission this time */
}
- unlock_kernel();
+ mutex_unlock(&hysdn_conf_mutex);
return nonseekable_open(ino, filep);
} /* hysdn_conf_open */
@@ -319,7 +320,7 @@ hysdn_conf_close(struct inode *ino, struct file *filep)
int retval = 0;
struct proc_dir_entry *pd;
- lock_kernel();
+ mutex_lock(&hysdn_conf_mutex);
/* search the addressed card */
card = card_root;
while (card) {
@@ -329,7 +330,7 @@ hysdn_conf_close(struct inode *ino, struct file *filep)
card = card->next; /* search next entry */
}
if (!card) {
- unlock_kernel();
+ mutex_unlock(&hysdn_conf_mutex);
return (-ENODEV); /* device is unknown/invalid */
}
if (card->debug_flags & (LOG_PROC_OPEN | LOG_PROC_ALL))
@@ -352,7 +353,7 @@ hysdn_conf_close(struct inode *ino, struct file *filep)
kfree(filep->private_data); /* release memory */
}
- unlock_kernel();
+ mutex_unlock(&hysdn_conf_mutex);
return (retval);
} /* hysdn_conf_close */
diff --git a/drivers/isdn/hysdn/hysdn_proclog.c b/drivers/isdn/hysdn/hysdn_proclog.c
index e83f6fda32fe..2ee93d04b2dd 100644
--- a/drivers/isdn/hysdn/hysdn_proclog.c
+++ b/drivers/isdn/hysdn/hysdn_proclog.c
@@ -15,13 +15,15 @@
#include <linux/proc_fs.h>
#include <linux/sched.h>
#include <linux/slab.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
+#include <linux/kernel.h>
#include "hysdn_defs.h"
/* the proc subdir for the interface is defined in the procconf module */
extern struct proc_dir_entry *hysdn_proc_entry;
+static DEFINE_MUTEX(hysdn_log_mutex);
static void put_log_buffer(hysdn_card * card, char *cp);
/*************************************************/
@@ -154,10 +156,9 @@ static ssize_t
hysdn_log_write(struct file *file, const char __user *buf, size_t count, loff_t * off)
{
unsigned long u = 0;
- int found = 0;
- unsigned char *cp, valbuf[128];
- long base = 10;
- hysdn_card *card = (hysdn_card *) file->private_data;
+ int rc;
+ unsigned char valbuf[128];
+ hysdn_card *card = file->private_data;
if (count > (sizeof(valbuf) - 1))
count = sizeof(valbuf) - 1; /* limit length */
@@ -165,32 +166,10 @@ hysdn_log_write(struct file *file, const char __user *buf, size_t count, loff_t
return (-EFAULT); /* copy failed */
valbuf[count] = 0; /* terminating 0 */
- cp = valbuf;
- if ((count > 2) && (valbuf[0] == '0') && (valbuf[1] == 'x')) {
- cp += 2; /* pointer after hex modifier */
- base = 16;
- }
- /* scan the input for debug flags */
- while (*cp) {
- if ((*cp >= '0') && (*cp <= '9')) {
- found = 1;
- u *= base; /* adjust to next digit */
- u += *cp++ - '0';
- continue;
- }
- if (base != 16)
- break; /* end of number */
-
- if ((*cp >= 'a') && (*cp <= 'f')) {
- found = 1;
- u *= base; /* adjust to next digit */
- u += *cp++ - 'a' + 10;
- continue;
- }
- break; /* terminated */
- }
- if (found) {
+ rc = strict_strtoul(valbuf, 0, &u);
+
+ if (rc == 0) {
card->debug_flags = u; /* remember debug flags */
hysdn_addlog(card, "debug set to 0x%lx", card->debug_flags);
}
@@ -251,7 +230,7 @@ hysdn_log_open(struct inode *ino, struct file *filep)
struct procdata *pd = NULL;
unsigned long flags;
- lock_kernel();
+ mutex_lock(&hysdn_log_mutex);
card = card_root;
while (card) {
pd = card->proclog;
@@ -260,7 +239,7 @@ hysdn_log_open(struct inode *ino, struct file *filep)
card = card->next; /* search next entry */
}
if (!card) {
- unlock_kernel();
+ mutex_unlock(&hysdn_log_mutex);
return (-ENODEV); /* device is unknown/invalid */
}
filep->private_data = card; /* remember our own card */
@@ -278,10 +257,10 @@ hysdn_log_open(struct inode *ino, struct file *filep)
filep->private_data = &pd->log_head;
spin_unlock_irqrestore(&card->hysdn_lock, flags);
} else { /* simultaneous read/write access forbidden ! */
- unlock_kernel();
+ mutex_unlock(&hysdn_log_mutex);
return (-EPERM); /* no permission this time */
}
- unlock_kernel();
+ mutex_unlock(&hysdn_log_mutex);
return nonseekable_open(ino, filep);
} /* hysdn_log_open */
@@ -300,7 +279,7 @@ hysdn_log_close(struct inode *ino, struct file *filep)
hysdn_card *card;
int retval = 0;
- lock_kernel();
+ mutex_lock(&hysdn_log_mutex);
if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_WRITE) {
/* write only access -> write debug level written */
retval = 0; /* success */
@@ -339,7 +318,7 @@ hysdn_log_close(struct inode *ino, struct file *filep)
kfree(inf);
}
} /* read access */
- unlock_kernel();
+ mutex_unlock(&hysdn_log_mutex);
return (retval);
} /* hysdn_log_close */
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-21 22:15:35 +0000