diff options
Diffstat (limited to 'include/linux/i2o.h')
| -rw-r--r-- | include/linux/i2o.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/i2o.h b/include/linux/i2o.h index 9ba80679666..5a9d8c59917 100644 --- a/include/linux/i2o.h +++ b/include/linux/i2o.h @@ -1115,9 +1115,11 @@ static inline struct i2o_message *i2o_msg_get(struct i2o_controller *c) return ERR_PTR(-ENOMEM); mmsg->mfa = readl(c->in_port); - if (mmsg->mfa == I2O_QUEUE_EMPTY) { + if (unlikely(mmsg->mfa >= c->in_queue.len)) { mempool_free(mmsg, c->in_msg.mempool); - return ERR_PTR(-EBUSY); + if(mmsg->mfa == I2O_QUEUE_EMPTY) + return ERR_PTR(-EBUSY); + return ERR_PTR(-EFAULT); } return &mmsg->msg; |