[AGPGART] Fix sparse NULL pointer warnings.

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

diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index e1a5fa17504e8bb4432718b5321328fe88760087..f656624374615236d8af8a238482f47f892a82e1 100644 (file)
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -917,7 +917,7 @@ void *agp_generic_alloc_page(void)
 
        page = alloc_page(GFP_KERNEL);
        if (page == NULL)
-               return 0;
+               return NULL;
 
        map_page_into_agp(page);
 

diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index f8b991673465686f73c53043de0137cc053c32a4..5aa162a537f2b4cdcce5373325b065e7365aeba9 100644 (file)
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -369,7 +369,7 @@ static int intel_i830_create_gatt_table(void)
        size = agp_bridge->current_size;
        page_order = size->page_order;
        num_entries = size->num_entries;
-       agp_bridge->gatt_table_real = 0;
+       agp_bridge->gatt_table_real = NULL;
 
        pci_read_config_dword(intel_i830_private.i830_dev,I810_MMADDR,&temp);
        temp &= 0xfff80000;

diff --git a/drivers/char/agp/intel-mch-agp.c b/drivers/char/agp/intel-mch-agp.c
index dff4d9933861cf6ce5e06189db7654a2a4341fbc..c8f230acc5cf1080450ece468c6ebb8f6562b3f9 100644 (file)
--- a/drivers/char/agp/intel-mch-agp.c
+++ b/drivers/char/agp/intel-mch-agp.c
@@ -167,7 +167,7 @@ static int intel_i830_create_gatt_table(void)
        size = agp_bridge->current_size;
        page_order = size->page_order;
        num_entries = size->num_entries;
-       agp_bridge->gatt_table_real = 0;
+       agp_bridge->gatt_table_real = NULL;
 
        pci_read_config_dword(intel_i830_private.i830_dev,I810_MMADDR,&temp);
        temp &= 0xfff80000;