X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fs390%2Fnet%2Fsmsgiucv.c;h=b8179c27ceb6e1971bb78568ef82707cec64c8a1;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=23b151c948550f348c726ea62eaad310f88e3a3d;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
index 23b151c94..b8179c27c 100644
--- a/drivers/s390/net/smsgiucv.c
+++ b/drivers/s390/net/smsgiucv.c
@@ -32,7 +32,7 @@ struct smsg_callback {
 	struct list_head list;
 	char *prefix;
 	int len;
-	void (*callback)(char *str);
+	void (*callback)(char *from, char *str);
 };
 
 MODULE_AUTHOR
@@ -41,7 +41,7 @@ MODULE_DESCRIPTION ("Linux for S/390 IUCV special message driver");
 
 static iucv_handle_t smsg_handle;
 static unsigned short smsg_pathid;
-static spinlock_t smsg_list_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(smsg_list_lock);
 static struct list_head smsg_list = LIST_HEAD_INIT(smsg_list);
 
 static void
@@ -55,8 +55,9 @@ smsg_message_pending(iucv_MessagePending *eib, void *pgm_data)
 {
 	struct smsg_callback *cb;
 	unsigned char *msg;
+	unsigned char sender[9];
 	unsigned short len;
-	int rc;
+	int rc, i;
 
 	len = eib->ln1msg2.ipbfln1f;
 	msg = kmalloc(len + 1, GFP_ATOMIC|GFP_DMA);
@@ -65,14 +66,22 @@ smsg_message_pending(iucv_MessagePending *eib, void *pgm_data)
 		return;
 	}
 	rc = iucv_receive(eib->ippathid, eib->ipmsgid, eib->iptrgcls,
-			  msg, len, 0, 0, 0);
+			  msg, len, NULL, NULL, NULL);
 	if (rc == 0) {
 		msg[len] = 0;
 		EBCASC(msg, len);
+		memcpy(sender, msg, 8);
+		sender[8] = 0;
+		/* Remove trailing whitespace from the sender name. */
+		for (i = 7; i >= 0; i--) {
+			if (sender[i] != ' ' && sender[i] != '\t')
+				break;
+			sender[i] = 0;
+		}
 		spin_lock(&smsg_list_lock);
 		list_for_each_entry(cb, &smsg_list, list)
 			if (strncmp(msg + 8, cb->prefix, cb->len) == 0) {
-				cb->callback(msg + 8);
+				cb->callback(sender, msg + 8);
 				break;
 			}
 		spin_unlock(&smsg_list_lock);
@@ -91,7 +100,7 @@ static struct device_driver smsg_driver = {
 };
 
 int
-smsg_register_callback(char *prefix, void (*callback)(char *str))
+smsg_register_callback(char *prefix, void (*callback)(char *from, char *str))
 {
 	struct smsg_callback *cb;
 
@@ -108,12 +117,12 @@ smsg_register_callback(char *prefix, void (*callback)(char *str))
 }
 
 void
-smsg_unregister_callback(char *prefix, void (*callback)(char *str))
+smsg_unregister_callback(char *prefix, void (*callback)(char *from, char *str))
 {
 	struct smsg_callback *cb, *tmp;
 
 	spin_lock(&smsg_list_lock);
-	cb = 0;
+	cb = NULL;
 	list_for_each_entry(tmp, &smsg_list, list)
 		if (tmp->callback == callback &&
 		    strcmp(tmp->prefix, prefix) == 0) {
@@ -129,8 +138,8 @@ static void __exit
 smsg_exit(void)
 {
 	if (smsg_handle > 0) {
-		cpcmd("SET SMSG OFF", 0, 0);
-		iucv_sever(smsg_pathid, 0);
+		cpcmd("SET SMSG OFF", NULL, 0, NULL);
+		iucv_sever(smsg_pathid, NULL);
 		iucv_unregister_program(smsg_handle);
 		driver_unregister(&smsg_driver);
 	}
@@ -153,22 +162,22 @@ smsg_init(void)
 		return rc;
 	}
 	smsg_handle = iucv_register_program("SMSGIUCV        ", "*MSG    ",
-					    pgmmask, &smsg_ops, 0);
+					    pgmmask, &smsg_ops, NULL);
 	if (!smsg_handle) {
 		printk(KERN_ERR "SMSGIUCV: failed to register to iucv");
 		driver_unregister(&smsg_driver);
 		return -EIO;	/* better errno ? */
 	}
-	rc = iucv_connect (&smsg_pathid, 1, 0, "*MSG    ", 0, 0, 0, 0,
-			   smsg_handle, 0);
+	rc = iucv_connect (&smsg_pathid, 255, NULL, "*MSG    ", NULL, 0,
+			   NULL, NULL, smsg_handle, NULL);
 	if (rc) {
 		printk(KERN_ERR "SMSGIUCV: failed to connect to *MSG");
 		iucv_unregister_program(smsg_handle);
 		driver_unregister(&smsg_driver);
-		smsg_handle = 0;
+		smsg_handle = NULL;
 		return -EIO;
 	}
-	cpcmd("SET SMSG IUCV", 0, 0);
+	cpcmd("SET SMSG IUCV", NULL, 0, NULL);
 	return 0;
 }