* [patch -v3 10/22] airo: use simple_read_from_buffer
[not found] <20080604115633.116832712@gmail.com>
@ 2008-06-04 11:56 ` Akinobu Mita
0 siblings, 0 replies; only message in thread
From: Akinobu Mita @ 2008-06-04 11:56 UTC (permalink / raw)
To: linux-kernel, akpm; +Cc: John W. Linville, netdev, linux-wireless
[-- Attachment #1: airo-use-simple-read-from-buffer.patch --]
[-- Type: text/plain, Size: 1108 bytes --]
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: netdev@vger.kernel.org
Cc: linux-wireless@vger.kernel.org
---
drivers/net/wireless/airo.c | 15 +++------------
1 file changed, 3 insertions(+), 12 deletions(-)
Index: 2.6-git/drivers/net/wireless/airo.c
===================================================================
--- 2.6-git.orig/drivers/net/wireless/airo.c
+++ 2.6-git/drivers/net/wireless/airo.c
@@ -4560,22 +4560,13 @@ static ssize_t proc_read( struct file *f
size_t len,
loff_t *offset )
{
- loff_t pos = *offset;
- struct proc_data *priv = (struct proc_data*)file->private_data;
+ struct proc_data *priv = file->private_data;
if (!priv->rbuffer)
return -EINVAL;
- if (pos < 0)
- return -EINVAL;
- if (pos >= priv->readlen)
- return 0;
- if (len > priv->readlen - pos)
- len = priv->readlen - pos;
- if (copy_to_user(buffer, priv->rbuffer + pos, len))
- return -EFAULT;
- *offset = pos + len;
- return len;
+ return simple_read_from_buffer(buffer, len, offset, priv->rbuffer,
+ priv->readlen);
}
/*
--
^ permalink raw reply [flat|nested] only message in thread