xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Browse Source 
Pull infiniband/rdma fixes from Roland Dreier:
 - cxgb4 hardware driver regression fixes
 - mlx5 hardware driver regression fixes

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  IB/mlx5: Enable "block multicast loopback" for kernel consumers
  RDMA/cxgb4: Call iwpm_init() only once
  mlx5_core: Fix possible race between mr tree insert/delete
  RDMA/cxgb4: Initialize the device status page
  RDMA/cxgb4: Clean up connection on ARP error
  RDMA/cxgb4: Fix skb_leak in reject_cr()
This commit is contained in:
Linus Torvalds
2014-07-18 20:39:34 -10:00
parent cfd1b99b4a 56c5333cfc
commit b579fcca32
5 changed files with 39 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/net/ethernet/mellanox/mlx5/core/mr.c
View File

@@ -94,6 +94,11 @@ int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
write_lock_irq(&table->lock);
err = radix_tree_insert(&table->tree, mlx5_base_mkey(mr->key), mr);
write_unlock_irq(&table->lock);
if (err) {
mlx5_core_warn(dev, "failed radix tree insert of mr 0x%x, %d\n",
mlx5_base_mkey(mr->key), err);
mlx5_core_destroy_mkey(dev, mr);
}
return err;
}
@@ -104,12 +109,22 @@ int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr)
struct mlx5_mr_table *table = &dev->priv.mr_table;
struct mlx5_destroy_mkey_mbox_in in;
struct mlx5_destroy_mkey_mbox_out out;
struct mlx5_core_mr *deleted_mr;
unsigned long flags;
int err;
memset(&in, 0, sizeof(in));
memset(&out, 0, sizeof(out));
write_lock_irqsave(&table->lock, flags);
deleted_mr = radix_tree_delete(&table->tree, mlx5_base_mkey(mr->key));
write_unlock_irqrestore(&table->lock, flags);
if (!deleted_mr) {
mlx5_core_warn(dev, "failed radix tree delete of mr 0x%x\n",
mlx5_base_mkey(mr->key));
return -ENOENT;
}
in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_DESTROY_MKEY);
in.mkey = cpu_to_be32(mlx5_mkey_to_idx(mr->key));
err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
@@ -119,10 +134,6 @@ int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr)
if (out.hdr.status)
return mlx5_cmd_status_to_err(&out.hdr);
write_lock_irqsave(&table->lock, flags);
radix_tree_delete(&table->tree, mlx5_base_mkey(mr->key));
write_unlock_irqrestore(&table->lock, flags);
return err;
}
EXPORT_SYMBOL(mlx5_core_destroy_mkey);