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| author | Yunsheng Lin <linyunsheng@huawei.com> | 2019-05-06 10:48:52 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-05-07 10:37:14 -0700 |
| commit | 77296bf6a7b806b00a62b53436b1e8429becd244 (patch) | |
| tree | b868061e4bce3d7be87ab96209ae1a9087b55be2 | |
| parent | 845e0d1d5290c3b242aa76f37b4a5cae287b6f75 (diff) | |
| download | linux-77296bf6a7b806b00a62b53436b1e8429becd244.tar.gz linux-77296bf6a7b806b00a62b53436b1e8429becd244.tar.bz2 linux-77296bf6a7b806b00a62b53436b1e8429becd244.zip | |
net: hns3: use devm_kcalloc when allocating desc_cb
This patch uses devm_kcalloc instead of kcalloc when allocating
ring->desc_cb, because devm_kcalloc not only ensure to free the
memory when the dev is deallocted, but also allocate the memory
from it's device memory node.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 65fb42133cfd..18711e0f9bdf 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -3478,8 +3478,8 @@ static int hns3_alloc_ring_memory(struct hns3_enet_ring *ring) if (ring->desc_num <= 0 || ring->buf_size <= 0) return -EINVAL; - ring->desc_cb = kcalloc(ring->desc_num, sizeof(ring->desc_cb[0]), - GFP_KERNEL); + ring->desc_cb = devm_kcalloc(ring_to_dev(ring), ring->desc_num, + sizeof(ring->desc_cb[0]), GFP_KERNEL); if (!ring->desc_cb) { ret = -ENOMEM; goto out; @@ -3500,7 +3500,7 @@ static int hns3_alloc_ring_memory(struct hns3_enet_ring *ring) out_with_desc: hns3_free_desc(ring); out_with_desc_cb: - kfree(ring->desc_cb); + devm_kfree(ring_to_dev(ring), ring->desc_cb); ring->desc_cb = NULL; out: return ret; @@ -3509,7 +3509,7 @@ out: static void hns3_fini_ring(struct hns3_enet_ring *ring) { hns3_free_desc(ring); - kfree(ring->desc_cb); + devm_kfree(ring_to_dev(ring), ring->desc_cb); ring->desc_cb = NULL; ring->next_to_clean = 0; ring->next_to_use = 0; |