diff options
Diffstat (limited to 'drivers/platform/x86/toshiba_acpi.c')
| -rw-r--r-- | drivers/platform/x86/toshiba_acpi.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index d0daf75cbed1..88f9f79a7cf6 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -1502,14 +1502,9 @@ static ssize_t video_proc_write(struct file *file, const char __user *buf, int ret; u32 video_out; - cmd = kmalloc(count + 1, GFP_KERNEL); - if (!cmd) - return -ENOMEM; - if (copy_from_user(cmd, buf, count)) { - kfree(cmd); - return -EFAULT; - } - cmd[count] = '\0'; + cmd = memdup_user_nul(buf, count); + if (IS_ERR(cmd)) + return PTR_ERR(cmd); buffer = cmd; |