[AGPGART] Fix sign extension bug in amd64 gart driver.

From Terrence Ripperda at NVidia.

Signed-off-by: Dave Jones <davej@redhat.com>

diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index f50ee9e53b8d032f9709dc57f01dc139baf9dfd9..2e8b2aee99712bbd3bc3101a133ca1fdfacfad0e 100644 (file)
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -73,7 +73,7 @@ static void amd64_tlbflush(struct agp_memory *temp)
 static int amd64_insert_memory(struct agp_memory *mem, off_t pg_start, int type)
 {
        int i, j, num_entries;
-       long tmp;
+       long long tmp;
        u32 pte;
 
        num_entries = agp_num_entries();