agp: use NULL instead of 0 when pointer is needed

Fixes sparse warning:

drivers/char/agp/generic.c:1217:33: warning: Using plain integer as
NULL pointer

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
CC: linux-kernel@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index fb86708e47ed..4b51982fd23a 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -1214,7 +1214,7 @@ struct agp_memory *agp_generic_alloc_user(size_t page_count, int type)
                 return NULL;
 
         for (i = 0; i < page_count; i++)
-                new->pages[i] = 0;
+                new->pages[i] = NULL;
         new->page_count = 0;
         new->type = type;
         new->num_scratch_pages = pages;