5 files changed, 21 insertions, 3 deletions
diff --git a/drivers/hid/hid-roccat-arvo.c b/drivers/hid/hid-roccat-arvo.c
index 610536606195..093bfad00b02 100644
--- a/drivers/hid/hid-roccat-arvo.c
+++ b/drivers/hid/hid-roccat-arvo.c
@@ -163,6 +163,9 @@ static ssize_t arvo_sysfs_set_actual_profile(struct device *dev,
 	if (retval)
 		return retval;
 
+	if (profile < 1 || profile > 5)
+		return -EINVAL;
+
 	temp_buf.command = ARVO_COMMAND_ACTUAL_PROFILE;
 	temp_buf.actual_profile = profile;
 
@@ -399,7 +402,7 @@ static int arvo_raw_event(struct hid_device *hdev,
 	if (size != 3)
 		return 0;
 
-	if (arvo->roccat_claimed)
+	if (arvo && arvo->roccat_claimed)
 		arvo_report_to_chrdev(arvo, data);
 
 	return 0;
diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index 7e29778fe7ab..2b8f3a31ffb3 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -832,6 +832,9 @@ static int kone_raw_event(struct hid_device *hdev, struct hid_report *report,
 	if (size != sizeof(struct kone_mouse_event))
 		return 0;
 
+	if (kone == NULL)
+		return 0;
+
 	/*
 	 * Firmware 1.38 introduced new behaviour for tilt and special buttons.
 	 * Pressed button is reported in each movement event.
diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c
index 33ecad50395b..59e47770fa10 100644
--- a/drivers/hid/hid-roccat-koneplus.c
+++ b/drivers/hid/hid-roccat-koneplus.c
@@ -431,6 +431,9 @@ static ssize_t koneplus_sysfs_set_actual_profile(struct device *dev,
 	if (retval)
 		return retval;
 
+	if (profile > 4)
+		return -EINVAL;
+
 	mutex_lock(&koneplus->koneplus_lock);
 
 	retval = koneplus_set_actual_profile(usb_dev, profile);
@@ -439,7 +442,7 @@ static ssize_t koneplus_sysfs_set_actual_profile(struct device *dev,
 		return retval;
 	}
 
-	koneplus->actual_profile = profile;
+	koneplus_profile_activated(koneplus, profile);
 
 	roccat_report.type = KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE;
 	roccat_report.data1 = profile + 1;
@@ -751,6 +754,9 @@ static int koneplus_raw_event(struct hid_device *hdev,
 			!= USB_INTERFACE_PROTOCOL_MOUSE)
 		return 0;
 
+	if (koneplus == NULL)
+		return 0;
+
 	koneplus_keep_values_up_to_date(koneplus, data);
 
 	if (koneplus->roccat_claimed)
diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c
index 212e7921e942..1f8336e3f584 100644
--- a/drivers/hid/hid-roccat-kovaplus.c
+++ b/drivers/hid/hid-roccat-kovaplus.c
@@ -337,7 +337,7 @@ static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev,
 
 	mutex_lock(&kovaplus->kovaplus_lock);
 	retval = kovaplus_set_actual_profile(usb_dev, profile);
-	kovaplus->actual_profile = profile;
+	kovaplus_profile_activated(kovaplus, profile);
 	mutex_unlock(&kovaplus->kovaplus_lock);
 	if (retval)
 		return retval;
@@ -662,6 +662,9 @@ static int kovaplus_raw_event(struct hid_device *hdev,
 			!= USB_INTERFACE_PROTOCOL_MOUSE)
 		return 0;
 
+	if (kovaplus == NULL)
+		return 0;
+
 	kovaplus_keep_values_up_to_date(kovaplus, data);
 
 	if (kovaplus->roccat_claimed)
diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c
index 75a092e0d1d8..8140776bd8c5 100644
--- a/drivers/hid/hid-roccat-pyra.c
+++ b/drivers/hid/hid-roccat-pyra.c
@@ -637,6 +637,9 @@ static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report,
 			!= USB_INTERFACE_PROTOCOL_MOUSE)
 		return 0;
 
+	if (pyra == NULL)
+		return 0;
+
 	pyra_keep_values_up_to_date(pyra, data);
 
 	if (pyra->roccat_claimed)