2 files changed, 16 insertions, 7 deletions

diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
index a3d285859564..1e3f7f3c662f 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
@@ -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);
@@ -69,10 +70,18 @@ smsg_message_pending(iucv_MessagePending *eib, void *pgm_data)
         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;
 
@@ -108,7 +117,7 @@ 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;
 
diff --git a/drivers/s390/net/smsgiucv.h b/drivers/s390/net/smsgiucv.h
index 04cd87152964..67f5d4f8378d 100644
--- a/drivers/s390/net/smsgiucv.h
+++ b/drivers/s390/net/smsgiucv.h
@@ -5,6 +5,6 @@
  * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
  */
 
-int  smsg_register_callback(char *, void (*)(char *));
-void smsg_unregister_callback(char *, void (*)(char *));
+int  smsg_register_callback(char *, void (*)(char *, char *));
+void smsg_unregister_callback(char *, void (*)(char *, char *));