V4L/DVB (9093): gspca: Cleanup code and small changes.

- convert some #define to enum.
- remove some comments.
- return ENOMEM on memory allocation failure.

Signed-off-by: Erik Andren <erik.andren@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 7 insertions, 5 deletions

diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index f9006542c58f..4779dd0b06da 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -106,10 +106,12 @@ struct sd_desc {
 };
 
 /* packet types when moving from iso buf to frame buf */
-#define DISCARD_PACKET  0
-#define FIRST_PACKET    1
-#define INTER_PACKET    2
-#define LAST_PACKET     3
+enum gspca_packet_type {
+        DISCARD_PACKET,
+        FIRST_PACKET,
+        INTER_PACKET,
+        LAST_PACKET
+};
 
 struct gspca_frame {
         __u8 *data;                     /* frame buffer */
@@ -175,7 +177,7 @@ int gspca_dev_probe(struct usb_interface *intf,
                 struct module *module);
 void gspca_disconnect(struct usb_interface *intf);
 struct gspca_frame *gspca_frame_add(struct gspca_dev *gspca_dev,
-                                    int packet_type,
+                                    enum gspca_packet_type packet_type,
                                     struct gspca_frame *frame,
                                     const __u8 *data,
                                     int len);