Commit 175f8d67 authored by Insu Yun's avatar Insu Yun Committed by David S. Miller

mlx4: corretly check failed allocation

When allocation fails, mlx4_alloc_cmd_mailbox returns -ENOMEM.
Since there is no case that mlx4_alloc_cmd_mailbox returns NULL,
it needs to be checked by IS_ERR, not IS_ERR_OR_NULL
Signed-off-by: default avatarInsu Yun <wuninsu@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e87eb405
...@@ -318,7 +318,7 @@ int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, ...@@ -318,7 +318,7 @@ int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
key, NULL); key, NULL);
} else { } else {
mailbox = mlx4_alloc_cmd_mailbox(dev); mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR_OR_NULL(mailbox)) if (IS_ERR(mailbox))
return PTR_ERR(mailbox); return PTR_ERR(mailbox);
err = mlx4_cmd_box(dev, 0, mailbox->dma, key, err = mlx4_cmd_box(dev, 0, mailbox->dma, key,
......
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