[PATCH] dm table: get_target: fix last index

[Alasdair G Kergon <agk@redhat.com>]

From: Milan Broz <mbroz@redhat.com>

The table is indexed from 0, so an index equal to t->num_targets should
be rejected.

(There is no code in the current tree that would exercise this bug.)

Signed-Off-By: Milan Broz <mbroz@redhat.com>
Signed-Off-By: Alasdair G Kergon <agk@redhat.com>

Index: linux-2.6.17-rc4/drivers/md/dm-table.c
===================================================================
--- linux-2.6.17-rc4.orig/drivers/md/dm-table.c	2006-05-25 19:06:52.000000000 +0100
+++ linux-2.6.17-rc4/drivers/md/dm-table.c	2006-05-30 17:18:50.000000000 +0100
@@ -802,7 +802,7 @@ sector_t dm_table_get_size(struct dm_tab
 
 struct dm_target *dm_table_get_target(struct dm_table *t, unsigned int index)
 {
-	if (index > t->num_targets)
+	if (index >= t->num_targets)
 		return NULL;
 
 	return t->targets + index;
-
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