diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/cq.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/cq.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c index 65f8a4b6ed0c..e130e7259275 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/cq.c @@ -55,11 +55,11 @@ #define TASKLET_MAX_TIME 2 #define TASKLET_MAX_TIME_JIFFIES msecs_to_jiffies(TASKLET_MAX_TIME) -void mlx4_cq_tasklet_cb(unsigned long data) +void mlx4_cq_tasklet_cb(struct tasklet_struct *t) { unsigned long flags; unsigned long end = jiffies + TASKLET_MAX_TIME_JIFFIES; - struct mlx4_eq_tasklet *ctx = (struct mlx4_eq_tasklet *)data; + struct mlx4_eq_tasklet *ctx = from_tasklet(ctx, t, task); struct mlx4_cq *mcq, *temp; spin_lock_irqsave(&ctx->lock, flags); @@ -115,7 +115,7 @@ void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn) return; } - /* Acessing the CQ outside of rcu_read_lock is safe, because + /* Accessing the CQ outside of rcu_read_lock is safe, because * the CQ is freed only after interrupt handling is completed. */ ++cq->arm_sn; @@ -137,7 +137,7 @@ void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type) return; } - /* Acessing the CQ outside of rcu_read_lock is safe, because + /* Accessing the CQ outside of rcu_read_lock is safe, because * the CQ is freed only after interrupt handling is completed. */ cq->event(cq, event_type); @@ -314,7 +314,8 @@ static int mlx4_init_user_cqes(void *buf, int entries, int cqe_size) buf += PAGE_SIZE; } } else { - err = copy_to_user((void __user *)buf, init_ents, entries * cqe_size) ? + err = copy_to_user((void __user *)buf, init_ents, + array_size(entries, cqe_size)) ? -EFAULT : 0; } @@ -462,19 +463,14 @@ EXPORT_SYMBOL_GPL(mlx4_cq_free); int mlx4_init_cq_table(struct mlx4_dev *dev) { struct mlx4_cq_table *cq_table = &mlx4_priv(dev)->cq_table; - int err; spin_lock_init(&cq_table->lock); INIT_RADIX_TREE(&cq_table->tree, GFP_ATOMIC); if (mlx4_is_slave(dev)) return 0; - err = mlx4_bitmap_init(&cq_table->bitmap, dev->caps.num_cqs, - dev->caps.num_cqs - 1, dev->caps.reserved_cqs, 0); - if (err) - return err; - - return 0; + return mlx4_bitmap_init(&cq_table->bitmap, dev->caps.num_cqs, + dev->caps.num_cqs - 1, dev->caps.reserved_cqs, 0); } void mlx4_cleanup_cq_table(struct mlx4_dev *dev) |