commit bd3e64c1759e4930315ebf022611468ee9621486
author Dean Nelson <dcn@sgi.com> Tue Jul 29 22:34:19 2008 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> Wed Jul 30 09:41:50 2008 -0700
tree 314f4f8a80788b181aa03714d952854c8e2a1866
parent 5b8669dfd110a62a74eea525a009342f73987ea0

sgi-xp: setup the notify GRU message queue

Setup the notify GRU message queue that is used for sending user messages
on UV systems.

Signed-off-by: Dean Nelson <dcn@sgi.com>
Cc: Jack Steiner <steiner@sgi.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/misc/sgi-xp/xp_main.c

diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c
index f86ad3a..66a1d19 100644
--- a/drivers/misc/sgi-xp/xp_main.c
+++ b/drivers/misc/sgi-xp/xp_main.c
@@ -154,6 +154,9 @@
 	DBUG_ON(func == NULL);
 	DBUG_ON(assigned_limit == 0 || idle_limit > assigned_limit);
 
+	if (XPC_MSG_SIZE(payload_size) > XPC_MSG_MAX_SIZE)
+		return xpPayloadTooBig;
+
 	registration = &xpc_registrations[ch_number];
 
 	if (mutex_lock_interruptible(&registration->mutex) != 0)
@@ -166,7 +169,7 @@
 	}
 
 	/* register the channel for connection */
-	registration->msg_size = XPC_MSG_SIZE(payload_size);
+	registration->entry_size = XPC_MSG_SIZE(payload_size);
 	registration->nentries = nentries;
 	registration->assigned_limit = assigned_limit;
 	registration->idle_limit = idle_limit;
@@ -220,7 +223,7 @@
 	registration->func = NULL;
 	registration->key = NULL;
 	registration->nentries = 0;
-	registration->msg_size = 0;
+	registration->entry_size = 0;
 	registration->assigned_limit = 0;
 	registration->idle_limit = 0;