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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2008-06-10 03:44:30 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-06-14 20:17:59 +0400 |
| commit | cc0d9ff2c998410c7d4a99061a3ebdaa5c55ae9d (patch) | |
| tree | 341a4cddcb7b1180d538a67002acc580611072ee /drivers/net/wireless/airo.c | |
| parent | a9f853ddd352954815a023c4811629ed117df2f8 (diff) | |
| download | linux-cc0d9ff2c998410c7d4a99061a3ebdaa5c55ae9d.tar.xz | |
airo: use simple_read_from_buffer()
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Dan Williams <dcbw@redhat.com>
Cc: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/airo.c')
| -rw-r--r-- | drivers/net/wireless/airo.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 1e1446bf4b48..e30f8b79ea89 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -4561,22 +4561,13 @@ static ssize_t proc_read( struct file *file, 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); } /* |