diff options
Diffstat (limited to 'drivers/platform/x86/dell-wmi.c')
| -rw-r--r-- | drivers/platform/x86/dell-wmi.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index 1fbef560ca67..2cfaaa8faf0a 100644 --- a/drivers/platform/x86/dell-wmi.c +++ b/drivers/platform/x86/dell-wmi.c @@ -657,17 +657,18 @@ static int dell_wmi_check_descriptor_buffer(struct wmi_device *wdev) dev_err(&wdev->dev, "Dell descriptor buffer has invalid length (%d)\n", obj->buffer.length); - if (obj->buffer.length < 16) { - ret = -EINVAL; - goto out; - } + ret = -EINVAL; + goto out; } buffer = (u32 *)obj->buffer.pointer; - if (buffer[0] != 0x4C4C4544 && buffer[1] != 0x494D5720) - dev_warn(&wdev->dev, "Dell descriptor buffer has invalid signature (%*ph)\n", + if (buffer[0] != 0x4C4C4544 && buffer[1] != 0x494D5720) { + dev_err(&wdev->dev, "Dell descriptor buffer has invalid signature (%*ph)\n", 8, buffer); + ret = -EINVAL; + goto out; + } if (buffer[2] != 0 && buffer[2] != 1) dev_warn(&wdev->dev, "Dell descriptor buffer has unknown version (%d)\n", |