[PATCH] sparse: more in isdn

annotations and NULL noise removals in drivres/isdn (more BROKEN_ON_SMP
stuff)
Signed-off-by: Al Viro <viro@parcelfarce.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/isdn/hardware/avm/b1.c

@@ -67,14 +67,14 @@ avmcard *b1_alloc_card(int nr_controllers)
 
 	card = kmalloc(sizeof(*card), GFP_KERNEL);
 	if (!card)
-		return 0;
+		return NULL;
 
 	memset(card, 0, sizeof(*card));
 
         cinfo = kmalloc(sizeof(*cinfo) * nr_controllers, GFP_KERNEL);
 	if (!cinfo) {
 		kfree(card);
-		return 0;
+		return NULL;
 	}
 	memset(cinfo, 0, sizeof(*cinfo) * nr_controllers);
 
@@ -753,7 +753,7 @@ avmcard_dma_alloc(char *name, struct pci_dev *pdev, long rsize, long ssize)
  err_kfree:
 	kfree(p);
  err:
-	return 0;
+	return NULL;
 }
 
 void avmcard_dma_free(avmcard_dmainfo *p)

drivers/isdn/hysdn/hycapi.c

@@ -96,7 +96,7 @@ hycapi_remove_ctr(struct capi_ctr *ctrl)
 		}
 	}
 	detach_capi_ctr(ctrl);
-	ctrl->driverdata = 0;
+	ctrl->driverdata = NULL;
 	kfree(card->hyctrlinfo);
 
 		
@@ -678,7 +678,7 @@ attach the capi-driver to the kernel-capi.
 
 ***********************************************************/
 
-int hycapi_init()
+int hycapi_init(void)
 {
 	int i;
 	for(i=0;i<CAPI_MAXAPPL;i++) {

drivers/isdn/hysdn/hysdn_procconf.c

@@ -89,7 +89,7 @@ process_line(struct conf_writedata *cnf)
 /* write conf file -> boot or send cfg line to card */
 /****************************************************/
 static ssize_t
-hysdn_conf_write(struct file *file, const char *buf, size_t count, loff_t * off)
+hysdn_conf_write(struct file *file, const char __user *buf, size_t count, loff_t * off)
 {
 	struct conf_writedata *cnf;
 	int i;
@@ -209,7 +209,7 @@ hysdn_conf_write(struct file *file, const char *buf, size_t count, loff_t * off)
 /* read conf file -> output card info data */
 /*******************************************/
 static ssize_t
-hysdn_conf_read(struct file *file, char *buf, size_t count, loff_t * off)
+hysdn_conf_read(struct file *file, char __user *buf, size_t count, loff_t * off)
 {
 	char *cp;
 	int i;

drivers/isdn/hysdn/hysdn_proclog.c

@@ -150,7 +150,7 @@ put_log_buffer(hysdn_card * card, char *cp)
 /* write log file -> set log level bits */
 /****************************************/
 static ssize_t
-hysdn_log_write(struct file *file, const char *buf, size_t count, loff_t * off)
+hysdn_log_write(struct file *file, const char __user *buf, size_t count, loff_t * off)
 {
 	ulong u = 0;
 	int found = 0;
@@ -203,7 +203,7 @@ hysdn_log_write(struct file *file, const char *buf, size_t count, loff_t * off)
 /* read log file */
 /******************/
 static ssize_t
-hysdn_log_read(struct file *file, char *buf, size_t count, loff_t * off)
+hysdn_log_read(struct file *file, char __user *buf, size_t count, loff_t * off)
 {
 	struct log_data *inf;
 	int len;