X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fhid%2Fhid-roccat-pyra.c;h=13b40a0c46edca215970b65c81beec50bea125a8;hb=aa869750c78648d1ccae1a7e23239e64cc0859c9;hp=df05c1b1064ff18e304d2f08f3c59d920dceda9b;hpb=b4fdcb02f1e39c27058a885905bd0277370ba441;p=pandora-kernel.git

diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c
index df05c1b1064f..13b40a0c46ed 100644
--- a/drivers/hid/hid-roccat-pyra.c
+++ b/drivers/hid/hid-roccat-pyra.c
@@ -35,6 +35,8 @@ static struct class *pyra_class;
 static void profile_activated(struct pyra_device *pyra,
 		unsigned int new_profile)
 {
+	if (new_profile >= ARRAY_SIZE(pyra->profile_settings))
+		return;
 	pyra->actual_profile = new_profile;
 	pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi;
 }
@@ -303,6 +305,10 @@ static ssize_t pyra_sysfs_write_settings(struct file *fp,
 	if (off != 0 || count != sizeof(struct pyra_settings))
 		return -EINVAL;
 
+	if (((struct pyra_settings const *)buf)->startup_profile >=
+	    ARRAY_SIZE(pyra->profile_settings))
+		return -EINVAL;
+
 	mutex_lock(&pyra->pyra_lock);
 	difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings));
 	if (difference) {