[Intel-xe] [PATCH 06/15] drm/xe/query: zero the region info

[Matthew Auld]

There are also some reserved fields in here which are not currently
cleared when handing back to userspace.

Signed-off-by: Matthew Auld <matthew.auld at intel.com>
Reviewed-by: Lucas De Marchi lucas.demarchi at intel.com
---
 drivers/gpu/drm/xe/xe_query.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_query.c b/drivers/gpu/drm/xe/xe_query.c
index 6e904e97f456..f9f21bd1bfd7 100644
--- a/drivers/gpu/drm/xe/xe_query.c
+++ b/drivers/gpu/drm/xe/xe_query.c
@@ -115,16 +115,13 @@ static int query_memory_usage(struct xe_device *xe,
 		return -EINVAL;
 	}
 
-	usage = kmalloc(size, GFP_KERNEL);
+	usage = kzalloc(size, GFP_KERNEL);
 	if (XE_IOCTL_ERR(xe, !usage))
 		return -ENOMEM;
 
-	usage->pad = 0;
-
 	man = ttm_manager_type(&xe->ttm, XE_PL_TT);
 	usage->regions[0].mem_class = XE_MEM_REGION_CLASS_SYSMEM;
 	usage->regions[0].instance = 0;
-	usage->regions[0].pad = 0;
 	usage->regions[0].min_page_size = PAGE_SIZE;
 	usage->regions[0].max_page_size = PAGE_SIZE;
 	usage->regions[0].total_size = man->size << PAGE_SHIFT;
@@ -138,7 +135,6 @@ static int query_memory_usage(struct xe_device *xe,
 				XE_MEM_REGION_CLASS_VRAM;
 			usage->regions[usage->num_regions].instance =
 				usage->num_regions;
-			usage->regions[usage->num_regions].pad = 0;
 			usage->regions[usage->num_regions].min_page_size =
 				xe->info.vram_flags & XE_VRAM_FLAGS_NEED64K ?
 				SZ_64K : PAGE_SIZE;
-- 
2.39.1