staging: unisys: visorbus: visorchannel_create_guts() always has parent == NULL
authorJes Sorensen <Jes.Sorensen@redhat.com>
Tue, 5 May 2015 22:36:21 +0000 (18:36 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 8 May 2015 13:26:02 +0000 (15:26 +0200)
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/unisys/visorbus/visorchannel.c

index 407c2b646abb25f336b5cfed10c20de07c984944..faafa797ee789f6e1beefc5b97117faaa6c26744 100644 (file)
@@ -52,8 +52,7 @@ struct visorchannel {
  */
 static struct visorchannel *
 visorchannel_create_guts(HOSTADDRESS physaddr, ulong channel_bytes,
-                        struct visorchannel *parent, ulong off, uuid_le guid,
-                        BOOL needs_lock)
+                        ulong off, uuid_le guid, BOOL needs_lock)
 {
        struct visorchannel *channel;
        int err;
@@ -70,11 +69,8 @@ visorchannel_create_guts(HOSTADDRESS physaddr, ulong channel_bytes,
        spin_lock_init(&channel->remove_lock);
 
        /* prepare chan_hdr (abstraction to read/write channel memory) */
-       if (!parent)
-               memregion = visor_memregion_create(physaddr, size);
-       else
-               memregion = visor_memregion_create_overlapped(parent->memregion,
-                                                             off, size);
+       memregion = visor_memregion_create(physaddr, size);
+
        if (!memregion)
                goto cleanup;
        channel->memregion = memregion;
@@ -106,7 +102,7 @@ cleanup:
 struct visorchannel *
 visorchannel_create(HOSTADDRESS physaddr, ulong channel_bytes, uuid_le guid)
 {
-       return visorchannel_create_guts(physaddr, channel_bytes, NULL, 0, guid,
+       return visorchannel_create_guts(physaddr, channel_bytes, 0, guid,
                                        FALSE);
 }
 EXPORT_SYMBOL_GPL(visorchannel_create);
@@ -115,7 +111,7 @@ struct visorchannel *
 visorchannel_create_with_lock(HOSTADDRESS physaddr, ulong channel_bytes,
                              uuid_le guid)
 {
-       return visorchannel_create_guts(physaddr, channel_bytes, NULL, 0, guid,
+       return visorchannel_create_guts(physaddr, channel_bytes, 0, guid,
                                        TRUE);
 }
 EXPORT_SYMBOL_GPL(visorchannel_create_with_lock);