3 files changed, 15 insertions, 12 deletions

diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 623adbb0d13a..9b493f0becc4 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1485,6 +1485,7 @@ static int __init capi_init(void)
 {
 	char *p;
 	char *compileinfo;
+	int major_ret;
 
 	if ((p = strchr(revision, ':')) != 0 && p[1]) {
 		strlcpy(rev, p + 2, sizeof(rev));
@@ -1493,11 +1494,12 @@ static int __init capi_init(void)
 	} else
 		strcpy(rev, "1.0");
 
-	if (register_chrdev(capi_major, "capi20", &capi_fops)) {
+	major_ret = register_chrdev(capi_major, "capi20", &capi_fops);
+	if (major_ret < 0) {
 		printk(KERN_ERR "capi20: unable to get major %d\n", capi_major);
-		return -EIO;
+		return major_ret;
 	}
-
+	capi_major = major_ret;
 	capi_class = class_create(THIS_MODULE, "capi");
 	if (IS_ERR(capi_class)) {
 		unregister_chrdev(capi_major, "capi20");
diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c
index feec40cf5900..8c4fcb9027b3 100644
--- a/drivers/isdn/capi/kcapi.c
+++ b/drivers/isdn/capi/kcapi.c
@@ -32,6 +32,7 @@
 #ifdef CONFIG_AVMB1_COMPAT
 #include <linux/b1lli.h>
 #endif
+#include <linux/mutex.h>
 
 static char *revision = "$Revision: 1.1.2.8 $";
 
@@ -66,7 +67,7 @@ LIST_HEAD(capi_drivers);
 DEFINE_RWLOCK(capi_drivers_list_lock);
 
 static DEFINE_RWLOCK(application_lock);
-static DECLARE_MUTEX(controller_sem);
+static DEFINE_MUTEX(controller_mutex);
 
 struct capi20_appl *capi_applications[CAPI_MAXAPPL];
 struct capi_ctr *capi_cards[CAPI_MAXCONTR];
@@ -395,20 +396,20 @@ attach_capi_ctr(struct capi_ctr *card)
 {
 	int i;
 
-	down(&controller_sem);
+	mutex_lock(&controller_mutex);
 
 	for (i = 0; i < CAPI_MAXCONTR; i++) {
 		if (capi_cards[i] == NULL)
 			break;
 	}
 	if (i == CAPI_MAXCONTR) {
-		up(&controller_sem);
+		mutex_unlock(&controller_mutex);
 		printk(KERN_ERR "kcapi: out of controller slots\n");
 	   	return -EBUSY;
 	}
 	capi_cards[i] = card;
 
-	up(&controller_sem);
+	mutex_unlock(&controller_mutex);
 
 	card->nrecvctlpkt = 0;
 	card->nrecvdatapkt = 0;
@@ -531,13 +532,13 @@ u16 capi20_register(struct capi20_appl *ap)
 
 	write_unlock_irqrestore(&application_lock, flags);
 	
-	down(&controller_sem);
+	mutex_lock(&controller_mutex);
 	for (i = 0; i < CAPI_MAXCONTR; i++) {
 		if (!capi_cards[i] || capi_cards[i]->cardstate != CARD_RUNNING)
 			continue;
 		register_appl(capi_cards[i], applid, &ap->rparam);
 	}
-	up(&controller_sem);
+	mutex_unlock(&controller_mutex);
 
 	if (showcapimsgs & 1) {
 		printk(KERN_DEBUG "kcapi: appl %d up\n", applid);
@@ -560,13 +561,13 @@ u16 capi20_release(struct capi20_appl *ap)
 	capi_applications[ap->applid - 1] = NULL;
 	write_unlock_irqrestore(&application_lock, flags);
 
-	down(&controller_sem);
+	mutex_lock(&controller_mutex);
 	for (i = 0; i < CAPI_MAXCONTR; i++) {
 		if (!capi_cards[i] || capi_cards[i]->cardstate != CARD_RUNNING)
 			continue;
 		release_appl(capi_cards[i], ap->applid);
 	}
-	up(&controller_sem);
+	mutex_unlock(&controller_mutex);
 
 	flush_scheduled_work();
 	skb_queue_purge(&ap->recv_queue);
diff --git a/drivers/isdn/capi/kcapi_proc.c b/drivers/isdn/capi/kcapi_proc.c
index 2cc8b27e4c3b..ca9dc00a45c4 100644
--- a/drivers/isdn/capi/kcapi_proc.c
+++ b/drivers/isdn/capi/kcapi_proc.c
@@ -233,7 +233,7 @@ static struct file_operations proc_applstats_ops = {
 };
 
 static void
-create_seq_entry(char *name, mode_t mode, struct file_operations *f)
+create_seq_entry(char *name, mode_t mode, const struct file_operations *f)
 {
 	struct proc_dir_entry *entry;
 	entry = create_proc_entry(name, mode, NULL);