diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/musb/musb_cppi41.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index e64701d15401..ae959746f77f 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -150,8 +150,10 @@ static void cppi41_dma_callback(void *private_data) remain_bytes, direction, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); - if (WARN_ON(!dma_desc)) + if (WARN_ON(!dma_desc)) { + spin_unlock_irqrestore(&musb->lock, flags); return; + } dma_desc->callback = cppi41_dma_callback; dma_desc->callback_param = channel; |