tree 69a80424c96f25683797ffdc17cb2e58addaf547
parent e87eb4051efe76b35d0a297db772f5964a001544
author Insu Yun <wuninsu@gmail.com> 1444926249 -0400
committer David S. Miller <davem@davemloft.net> 1444977098 -0700

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: Insu Yun <wuninsu@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>