diff options
Diffstat (limited to 'net/xdp/xsk_buff_pool.c')
| -rw-r--r-- | net/xdp/xsk_buff_pool.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c index 795d7c81c0ca..e63fadd000db 100644 --- a/net/xdp/xsk_buff_pool.c +++ b/net/xdp/xsk_buff_pool.c @@ -287,7 +287,7 @@ static struct xsk_dma_map *xp_create_dma_map(struct device *dev, struct net_devi return NULL; dma_map->dma_pages = kvcalloc(nr_pages, sizeof(*dma_map->dma_pages), GFP_KERNEL); - if (!dma_map) { + if (!dma_map->dma_pages) { kfree(dma_map); return NULL; } @@ -296,7 +296,7 @@ static struct xsk_dma_map *xp_create_dma_map(struct device *dev, struct net_devi dma_map->dev = dev; dma_map->dma_need_sync = false; dma_map->dma_pages_cnt = nr_pages; - refcount_set(&dma_map->users, 0); + refcount_set(&dma_map->users, 1); list_add(&dma_map->list, &umem->xsk_dma_list); return dma_map; } @@ -369,7 +369,6 @@ static int xp_init_dma_info(struct xsk_buff_pool *pool, struct xsk_dma_map *dma_ pool->dev = dma_map->dev; pool->dma_pages_cnt = dma_map->dma_pages_cnt; pool->dma_need_sync = dma_map->dma_need_sync; - refcount_inc(&dma_map->users); memcpy(pool->dma_pages, dma_map->dma_pages, pool->dma_pages_cnt * sizeof(*pool->dma_pages)); @@ -390,6 +389,7 @@ int xp_dma_map(struct xsk_buff_pool *pool, struct device *dev, if (err) return err; + refcount_inc(&dma_map->users); return 0; } |