[PATCH 3/3] swiotlb: Simplify array allocation

[Robin Murphy]

Prefer kcalloc() to kzalloc(array_size()) for allocating an array.

Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx>
---
 kernel/dma/swiotlb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index f56d6504903c..44c49c3616fe 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -820,8 +820,7 @@ static int rmem_swiotlb_device_init(struct reserved_mem *rmem,
 		if (!mem)
 			return -ENOMEM;
 
-		mem->slots = kzalloc(array_size(sizeof(*mem->slots), nslabs),
-				     GFP_KERNEL);
+		mem->slots = kcalloc(nslabs, sizeof(*mem->slots), GFP_KERNEL);
 		if (!mem->slots) {
 			kfree(mem);
 			return -ENOMEM;
-- 
2.28.0.dirty