Bluetooth: btmrvl: Re-use kstrtol_from_user()

Re-use kstrtol_from_user() instead of open coded variant.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Andy Shevchenko
2018-05-29 16:33:49 +03:00
committed by Marcel Holtmann
parent 3bf5e97d7b
commit c2e7f5dee7

View File

@@ -35,15 +35,9 @@ static ssize_t btmrvl_hscfgcmd_write(struct file *file,
const char __user *ubuf, size_t count, loff_t *ppos) const char __user *ubuf, size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = file->private_data; struct btmrvl_private *priv = file->private_data;
char buf[16];
long result, ret; long result, ret;
memset(buf, 0, sizeof(buf)); ret = kstrtol_from_user(ubuf, count, 10, &result);
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT;
ret = kstrtol(buf, 10, &result);
if (ret) if (ret)
return ret; return ret;
@@ -81,15 +75,9 @@ static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = file->private_data; struct btmrvl_private *priv = file->private_data;
char buf[16];
long result, ret; long result, ret;
memset(buf, 0, sizeof(buf)); ret = kstrtol_from_user(ubuf, count, 10, &result);
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT;
ret = kstrtol(buf, 10, &result);
if (ret) if (ret)
return ret; return ret;
@@ -127,15 +115,9 @@ static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = file->private_data; struct btmrvl_private *priv = file->private_data;
char buf[16];
long result, ret; long result, ret;
memset(buf, 0, sizeof(buf)); ret = kstrtol_from_user(ubuf, count, 10, &result);
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT;
ret = kstrtol(buf, 10, &result);
if (ret) if (ret)
return ret; return ret;