X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fagp%2Fi460-agp.c;h=53354bf83af76389ba56c09b2c9a047e87460dd7;hb=972d45fb43f0f0793fa275c4a22998106760cd61;hp=91769443d8fe2d30cf010ef55318a51b43d82e81;hpb=6a92a4e0d201aea6d7c83f100d77310676b2e049;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/char/agp/i460-agp.c b/drivers/char/agp/i460-agp.c
index 91769443d8f..53354bf83af 100644
--- a/drivers/char/agp/i460-agp.c
+++ b/drivers/char/agp/i460-agp.c
@@ -78,7 +78,7 @@ static struct {
 	} *lp_desc;
 } i460;
 
-static struct aper_size_info_8 i460_sizes[3] =
+static const struct aper_size_info_8 i460_sizes[3] =
 {
 	/*
 	 * The 32GB aperture is only available with a 4M GART page size.  Due to the
@@ -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;
@@ -396,6 +399,9 @@ 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;
 
@@ -544,7 +550,7 @@ static unsigned long i460_mask_memory (struct agp_bridge_data *bridge,
 		| (((addr & ~((1 << I460_IO_PAGE_SHIFT) - 1)) & 0xfffff000) >> 12);
 }
 
-struct agp_bridge_driver intel_i460_driver = {
+const struct agp_bridge_driver intel_i460_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= i460_sizes,
 	.size_type		= U8_APER_SIZE,
@@ -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,
 };