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path: root/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
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Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
index 5d64519b9b1d..6bf346c11b25 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
@@ -788,8 +788,9 @@ int hns_rcb_common_get_cfg(struct dsaf_device *dsaf_dev,
int ring_num = hns_rcb_get_ring_num(dsaf_dev);
rcb_common =
- devm_kzalloc(dsaf_dev->dev, sizeof(*rcb_common) +
- ring_num * sizeof(struct ring_pair_cb), GFP_KERNEL);
+ devm_kzalloc(dsaf_dev->dev,
+ struct_size(rcb_common, ring_pair_cb, ring_num),
+ GFP_KERNEL);
if (!rcb_common) {
dev_err(dsaf_dev->dev, "rcb common devm_kzalloc fail!\n");
return -ENOMEM;