diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns/hnae.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns/hnae.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c index b6ed818f78ff..9d9b6e6dd988 100644 --- a/drivers/net/ethernet/hisilicon/hns/hnae.c +++ b/drivers/net/ethernet/hisilicon/hns/hnae.c @@ -9,9 +9,9 @@ #include <linux/dma-mapping.h> #include <linux/interrupt.h> +#include <linux/of.h> #include <linux/skbuff.h> #include <linux/slab.h> - #include "hnae.h" #define cls_to_ae_dev(dev) container_of(dev, struct hnae_ae_dev, cls_dev) @@ -57,11 +57,15 @@ static int hnae_alloc_buffer(struct hnae_ring *ring, struct hnae_desc_cb *cb) static void hnae_free_buffer(struct hnae_ring *ring, struct hnae_desc_cb *cb) { + if (unlikely(!cb->priv)) + return; + if (cb->type == DESC_TYPE_SKB) dev_kfree_skb_any((struct sk_buff *)cb->priv); else if (unlikely(is_rx_ring(ring))) put_page((struct page *)cb->priv); - memset(cb, 0, sizeof(*cb)); + + cb->priv = NULL; } static int hnae_map_buffer(struct hnae_ring *ring, struct hnae_desc_cb *cb) @@ -197,6 +201,7 @@ hnae_init_ring(struct hnae_queue *q, struct hnae_ring *ring, int flags) ring->q = q; ring->flags = flags; + spin_lock_init(&ring->lock); assert(!ring->desc && !ring->desc_cb && !ring->desc_dma_addr); /* not matter for tx or rx ring, the ntc and ntc start from 0 */ |