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path: root/drivers/pcmcia/ds.c
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Diffstat (limited to 'drivers/pcmcia/ds.c')
-rw-r--r--drivers/pcmcia/ds.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index ad93ebd..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>
@@ -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;
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