diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/rc/imon.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c index 6ed96465137..3f175ebe276 100644 --- a/drivers/media/rc/imon.c +++ b/drivers/media/rc/imon.c @@ -47,7 +47,7 @@ #define MOD_AUTHOR "Jarod Wilson <jarod@wilsonet.com>" #define MOD_DESC "Driver for SoundGraph iMON MultiMedia IR/Display" #define MOD_NAME "imon" -#define MOD_VERSION "0.9.3" +#define MOD_VERSION "0.9.4" #define DISPLAY_MINOR_BASE 144 #define DEVICE_NAME "lcd%d" @@ -1658,9 +1658,17 @@ static void usb_rx_callback_intf0(struct urb *urb) return; ictx = (struct imon_context *)urb->context; - if (!ictx || !ictx->dev_present_intf0) + if (!ictx) return; + /* + * if we get a callback before we're done configuring the hardware, we + * can't yet process the data, as there's nowhere to send it, but we + * still need to submit a new rx URB to avoid wedging the hardware + */ + if (!ictx->dev_present_intf0) + goto out; + switch (urb->status) { case -ENOENT: /* usbcore unlink successful! */ return; @@ -1678,6 +1686,7 @@ static void usb_rx_callback_intf0(struct urb *urb) break; } +out: usb_submit_urb(ictx->rx_urb_intf0, GFP_ATOMIC); } @@ -1690,9 +1699,17 @@ static void usb_rx_callback_intf1(struct urb *urb) return; ictx = (struct imon_context *)urb->context; - if (!ictx || !ictx->dev_present_intf1) + if (!ictx) return; + /* + * if we get a callback before we're done configuring the hardware, we + * can't yet process the data, as there's nowhere to send it, but we + * still need to submit a new rx URB to avoid wedging the hardware + */ + if (!ictx->dev_present_intf1) + goto out; + switch (urb->status) { case -ENOENT: /* usbcore unlink successful! */ return; @@ -1710,6 +1727,7 @@ static void usb_rx_callback_intf1(struct urb *urb) break; } +out: usb_submit_urb(ictx->rx_urb_intf1, GFP_ATOMIC); } @@ -2242,7 +2260,7 @@ find_endpoint_failed: mutex_unlock(&ictx->lock); usb_free_urb(rx_urb); rx_urb_alloc_failed: - dev_err(ictx->dev, "unable to initialize intf0, err %d\n", ret); + dev_err(ictx->dev, "unable to initialize intf1, err %d\n", ret); return NULL; } |