diff options
| -rw-r--r-- | drivers/ntb/ntb_transport.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index e11b57e1939c..1bed1ba2fe5e 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -368,10 +368,14 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf, size_t count, loff_t *offp) { struct ntb_transport_qp *qp; - char buf[1024]; + char *buf; ssize_t ret, out_offset, out_count; - out_count = 1024; + out_count = 600; + + buf = kmalloc(out_count, GFP_KERNEL); + if (!buf) + return -ENOMEM; qp = filp->private_data; out_offset = 0; @@ -410,10 +414,13 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf, size_t count, "tx_mw_end - \t%p\n", qp->tx_mw_end); out_offset += snprintf(buf + out_offset, out_count - out_offset, - "QP Link %s\n", (qp->qp_link == NTB_LINK_UP) ? + "\nQP Link %s\n", (qp->qp_link == NTB_LINK_UP) ? "Up" : "Down"); + if (out_offset > out_count) + out_offset = out_count; ret = simple_read_from_buffer(ubuf, count, offp, buf, out_offset); + kfree(buf); return ret; } |