Merge branch 'master' into upstream

[pandora-kernel.git] / drivers / char / agp / i460-agp.c

diff --git a/drivers/char/agp/i460-agp.c b/drivers/char/agp/i460-agp.c
index 8ee19a4..3e76186 100644 (file)
--- a/drivers/char/agp/i460-agp.c
+++ b/drivers/char/agp/i460-agp.c
@@ -293,6 +293,9 @@ static int i460_insert_memory_small_io_page (struct agp_memory *mem,
        pr_debug("i460_insert_memory_small_io_page(mem=%p, pg_start=%ld, type=%d, paddr0=0x%lx)\n",
                 mem, pg_start, type, mem->memory[0]);
 
+       if (type >= AGP_USER_TYPES || mem->type >= AGP_USER_TYPES)
+               return -EINVAL;
+
        io_pg_start = I460_IOPAGES_PER_KPAGE * pg_start;
 
        temp = agp_bridge->current_size;
@@ -396,14 +399,17 @@ static int i460_insert_memory_large_io_page (struct agp_memory *mem,
        struct lp_desc *start, *end, *lp;
        void *temp;
 
+       if (type >= AGP_USER_TYPES || mem->type >= AGP_USER_TYPES)
+               return -EINVAL;
+
        temp = agp_bridge->current_size;
        num_entries = A_SIZE_8(temp)->num_entries;
 
        /* Figure out what pg_start means in terms of our large GART pages */
-       start           = &i460.lp_desc[pg_start / I460_KPAGES_PER_IOPAGE];
-       end             = &i460.lp_desc[(pg_start + mem->page_count - 1) / I460_KPAGES_PER_IOPAGE];
-       start_offset    = pg_start % I460_KPAGES_PER_IOPAGE;
-       end_offset      = (pg_start + mem->page_count - 1) % I460_KPAGES_PER_IOPAGE;
+       start = &i460.lp_desc[pg_start / I460_KPAGES_PER_IOPAGE];
+       end = &i460.lp_desc[(pg_start + mem->page_count - 1) / I460_KPAGES_PER_IOPAGE];
+       start_offset = pg_start % I460_KPAGES_PER_IOPAGE;
+       end_offset = (pg_start + mem->page_count - 1) % I460_KPAGES_PER_IOPAGE;
 
        if (end > i460.lp_desc + num_entries) {
                printk(KERN_ERR PFX "Looks like we're out of AGP memory\n");
@@ -458,10 +464,10 @@ static int i460_remove_memory_large_io_page (struct agp_memory *mem,
        num_entries = A_SIZE_8(temp)->num_entries;
 
        /* Figure out what pg_start means in terms of our large GART pages */
-       start           = &i460.lp_desc[pg_start / I460_KPAGES_PER_IOPAGE];
-       end             = &i460.lp_desc[(pg_start + mem->page_count - 1) / I460_KPAGES_PER_IOPAGE];
-       start_offset    = pg_start % I460_KPAGES_PER_IOPAGE;
-       end_offset      = (pg_start + mem->page_count - 1) % I460_KPAGES_PER_IOPAGE;
+       start = &i460.lp_desc[pg_start / I460_KPAGES_PER_IOPAGE];
+       end = &i460.lp_desc[(pg_start + mem->page_count - 1) / I460_KPAGES_PER_IOPAGE];
+       start_offset = pg_start % I460_KPAGES_PER_IOPAGE;
+       end_offset = (pg_start + mem->page_count - 1) % I460_KPAGES_PER_IOPAGE;
 
        for (i = 0, lp = start; lp <= end; ++lp) {
                for (idx = ((lp == start) ? start_offset : 0);
@@ -572,6 +578,7 @@ struct agp_bridge_driver intel_i460_driver = {
 #endif
        .alloc_by_type          = agp_generic_alloc_by_type,
        .free_by_type           = agp_generic_free_by_type,
+       .agp_type_to_mask_type  = agp_generic_type_to_mask_type,
        .cant_use_aperture      = 1,
 };