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drm: use NULL instead of 0 

From: Randy Dunlap <rdunlap@xenotime.net>

Use NULL instead of 0 (sparse warnings):

drivers/char/drm/ati_pcigart.c:64:10: warning: Using plain integer as NULL
pointer
drivers/char/drm/ati_pcigart.c:130:21: warning: Using plain integer as NULL
pointer
drivers/char/drm/ati_pcigart.c:171:14: warning: Using plain integer as NULL
pointer

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Dave Airlie 2006-01-25 14:54:15 +11:00 committed by Dave Airlie
parent 2fed3bd743
commit f1e5c03d34
1 changed files with 3 additions and 3 deletions
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6
drivers/char/drm/ati_pcigart.c
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@ -61,7 +61,7 @@ static void *drm_ati_alloc_pcigart_table(void)
address = __get_free_pages(GFP_KERNEL, ATI_PCIGART_TABLE_ORDER);
if (address == 0UL) {
return 0;
return NULL;
}
page = virt_to_page(address);
@ -127,7 +127,7 @@ int drm_ati_pcigart_cleanup(drm_device_t *dev, drm_ati_pcigart_info *gart_info)
if (gart_info->gart_table_location == DRM_ATI_GART_MAIN
&& gart_info->addr) {
drm_ati_free_pcigart_table(gart_info->addr);
gart_info->addr = 0;
gart_info->addr = NULL;
}
return 1;
@ -168,7 +168,7 @@ int drm_ati_pcigart_init(drm_device_t *dev, drm_ati_pcigart_info *gart_info)
if (bus_address == 0) {
DRM_ERROR("unable to map PCIGART pages!\n");
drm_ati_free_pcigart_table(address);
address = 0;
address = NULL;
goto done;
}
} else {