tpm_tis: fix potential buffer overruns caused by bit glitches on the bus

[pandora-kernel.git] / drivers / hid / hid-roccat-arvo.c

diff --git a/drivers/hid/hid-roccat-arvo.c b/drivers/hid/hid-roccat-arvo.c
index 6105366..093bfad 100644 (file)
--- 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;