diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 52d33b2..cb6036d 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -24,6 +24,7 @@
 #include <linux/firmware.h>
 #include <linux/kref.h>
 #include <linux/dma-mapping.h>
+#include <linux/slab.h>
 
 #include <pcmcia/cs_types.h>
 #include <pcmcia/cs.h>