[Xenomai-core] [PATCH] RT-Socket-CAN: correct bug with filter registration

[Wolfgang Grandegger <wg@domain.hid>]

Hi Jan and Sebastian,

attached is the patch fixing the filter problem. I'm going to apply it
to the trunk as well if there are no complaints.

Wolfgang.

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 4287)
+++ ChangeLog	(working copy)
@@ -1,3 +1,9 @@
+2008-10-29  Wolfgang Grandegger  <wg@domain.hid>
+
+	* ksrc/drivers/can/rtcan_raw_filter.c(rtcan_raw_mount_filter):
+	Applying the filter mask required for fast filter checks got lost
+	somehow with commit 2202.
+
 2008-10-28  Gilles Chanteperdrix  <gilles.chanteperdrix@xenomai.org>
 
 	* ksrc/nucleus/thread.c (xnthread_init): Change initialization
Index: ksrc/drivers/can/rtcan_raw_filter.c
===================================================================
--- ksrc/drivers/can/rtcan_raw_filter.c	(revision 4287)
+++ ksrc/drivers/can/rtcan_raw_filter.c	(working copy)
@@ -62,6 +62,9 @@
 	recv_filter->can_id = filter->can_id;
 	recv_filter->can_mask = filter->can_mask & ~CAN_INV_FILTER;
     }
+
+    /* Apply mask for fast filter check */
+    recv_filter->can_id &= recv_filter->can_mask;
 }