X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fdca%2Fdca-core.c;h=819dfda8823623fb8c7741f4ed299626393db044;hb=6f5913017efcb8f08d80bdc39edb36956c6e4ab2;hp=25ec0bb05198f1587fb8687d057941c5f09c09d6;hpb=30307c69d59b14723fbf8a524847b302388c702d;p=pandora-kernel.git

diff --git a/drivers/dca/dca-core.c b/drivers/dca/dca-core.c
index 25ec0bb05198..819dfda88236 100644
--- a/drivers/dca/dca-core.c
+++ b/drivers/dca/dca-core.c
@@ -28,6 +28,7 @@
 #include <linux/device.h>
 #include <linux/dca.h>
 #include <linux/slab.h>
+#include <linux/module.h>
 
 #define DCA_VERSION "1.12.1"
 
@@ -419,6 +420,11 @@ void unregister_dca_provider(struct dca_provider *dca, struct device *dev)
 
 	raw_spin_lock_irqsave(&dca_lock, flags);
 
+	if (list_empty(&dca_domains)) {
+		raw_spin_unlock_irqrestore(&dca_lock, flags);
+		return;
+	}
+
 	list_del(&dca->node);
 
 	pci_rc = dca_pci_rc_from_dev(dev);