drivers/char/agp/sgi-agp.c: check kmalloc() return value
Signed-off-by: Amit Choudhary <amit2030@gmail.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
        else
                return 0;
 
-       sgi_tioca_agp_bridges =
-           (struct agp_bridge_data **)kmalloc(tioca_gart_found *
-                                              sizeof(struct agp_bridge_data *),
-                                              GFP_KERNEL);
+       sgi_tioca_agp_bridges = kmalloc(tioca_gart_found *
+                                       sizeof(struct agp_bridge_data *),
+                                       GFP_KERNEL);
+       if (!sgi_tioca_agp_bridges)
+               return -ENOMEM;
 
        j = 0;
        list_for_each_entry(info, &tioca_list, ca_list) {