USB: musb: suppress warning about unused flags

Wrap flags with uninitialized_var() to suppress this:

drivers/usb/musb/cppi_dma.c:1158: warning: 'flags' may be used uninitialized
in this function

Signed-off-by: Jon Povey <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index 5ab5bb89bae3558cfe6f296e37931680afa0e323..f5a65ff0ac2bb467b7b5fd9817bd1fa16a4434cf 100644 (file)
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -1156,7 +1156,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id)
        struct musb_hw_ep       *hw_ep = NULL;
        u32                     rx, tx;
        int                     i, index;
-       unsigned long           flags;
+       unsigned long           uninitialized_var(flags);
 
        cppi = container_of(musb->dma_controller, struct cppi, controller);
        if (cppi->irq)