1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index ad93ebd7b2a2..cb6036d89e59 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>
@@ -509,8 +510,12 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu
         p_dev->device_no = (s->device_count++);
         mutex_unlock(&s->ops_mutex);
 
-        /* max of 2 devices per card */
-        if (p_dev->device_no >= 2)
+        /* max of 2 PFC devices */
+        if ((p_dev->device_no >= 2) && (function == 0))
+                goto err_free;
+
+        /* max of 4 devices overall */
+        if (p_dev->device_no >= 4)
                 goto err_free;
 
         p_dev->socket = s;