dmaengine :ipu: change ipu_irq_handler() to remove compile warning

Change ipu_irq_handler() to avoid gcc warning:

drivers/dma/ipu/ipu_irq.c:305:4: warning: 'irq' may be used
uninitialized in this function [-Wmaybe-uninitialized]
    generic_handle_irq(irq);

Signed-off-by: yalin wang <yalin.wang2010@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c
index 7489d2a5d246f42e4c46141606ab15ce2981b9ae..4768a829253a5438a38e00b5be2eedc02af71fea 100644 (file)
--- a/drivers/dma/ipu/ipu_irq.c
+++ b/drivers/dma/ipu/ipu_irq.c
@@ -286,7 +286,7 @@ static void ipu_irq_handler(unsigned int __irq, struct irq_desc *desc)
                raw_spin_unlock(&bank_lock);
                while ((line = ffs(status))) {
                        struct ipu_irq_map *map;
-                       unsigned int irq;
+                       unsigned int irq = NO_IRQ;
 
                        line--;
                        status &= ~(1UL << line);