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path: root/drivers/media/usb/go7007/go7007-usb.c
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Diffstat (limited to 'drivers/media/usb/go7007/go7007-usb.c')
-rw-r--r--drivers/media/usb/go7007/go7007-usb.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/usb/go7007/go7007-usb.c b/drivers/media/usb/go7007/go7007-usb.c
index eeb85981e..762c13e49 100644
--- a/drivers/media/usb/go7007/go7007-usb.c
+++ b/drivers/media/usb/go7007/go7007-usb.c
@@ -1201,7 +1201,9 @@ static int go7007_usb_probe(struct usb_interface *intf,
u16 channel;
/* read channel number from GPIO[1:0] */
- go7007_read_addr(go, 0x3c81, &channel);
+ if (go7007_read_addr(go, 0x3c81, &channel))
+ goto allocfail;
+
channel &= 0x3;
go->board_id = GO7007_BOARDID_ADLINK_MPG24;
usb->board = board = &board_adlink_mpg24;