diff options
Diffstat (limited to 'drivers/bluetooth/btmrvl_debugfs.c')
| -rw-r--r-- | drivers/bluetooth/btmrvl_debugfs.c | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/drivers/bluetooth/btmrvl_debugfs.c b/drivers/bluetooth/btmrvl_debugfs.c index 023d35e3c7a7..c4867576be00 100644 --- a/drivers/bluetooth/btmrvl_debugfs.c +++ b/drivers/bluetooth/btmrvl_debugfs.c @@ -35,15 +35,9 @@ static ssize_t btmrvl_hscfgcmd_write(struct file *file, const char __user *ubuf, size_t count, loff_t *ppos) { struct btmrvl_private *priv = file->private_data; - char buf[16]; long result, ret; - memset(buf, 0, sizeof(buf)); - - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) - return -EFAULT; - - ret = kstrtol(buf, 10, &result); + ret = kstrtol_from_user(ubuf, count, 10, &result); if (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) { struct btmrvl_private *priv = file->private_data; - char buf[16]; long result, ret; - memset(buf, 0, sizeof(buf)); - - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) - return -EFAULT; - - ret = kstrtol(buf, 10, &result); + ret = kstrtol_from_user(ubuf, count, 10, &result); if (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) { struct btmrvl_private *priv = file->private_data; - char buf[16]; long result, ret; - memset(buf, 0, sizeof(buf)); - - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) - return -EFAULT; - - ret = kstrtol(buf, 10, &result); + ret = kstrtol_from_user(ubuf, count, 10, &result); if (ret) return ret; |