diff options
Diffstat (limited to 'drivers/platform/x86/apple-gmux.c')
| -rw-r--r-- | drivers/platform/x86/apple-gmux.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index ad81cb1df8f2..8aa81a3517b1 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -694,7 +694,6 @@ static ssize_t gmux_selected_port_data_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { struct apple_gmux_data *gmux_data = file->private_data; - int ret; if (*ppos) return -EINVAL; @@ -702,16 +701,16 @@ static ssize_t gmux_selected_port_data_write(struct file *file, if (count == 1) { u8 data; - ret = copy_from_user(&data, userbuf, 1); - if (ret) - return ret; + if (copy_from_user(&data, userbuf, 1)) + return -EFAULT; + gmux_write8(gmux_data, gmux_data->selected_port, data); } else if (count == 4) { u32 data; - ret = copy_from_user(&data, userbuf, 4); - if (ret) - return ret; + if (copy_from_user(&data, userbuf, 4)) + return -EFAULT; + gmux_write32(gmux_data, gmux_data->selected_port, data); } else return -EINVAL; |