X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=kernel%2Fdrivers%2Fdma%2Fipu%2Fipu_irq.c;h=dd184b50e5b40a508c1bdacee874b6464d2b1055;hb=af712826966ee75ba5ac466a6c192580abdf0c29;hp=2bf37e68ad0f1529e472a141031d56586ac21e21;hpb=e09b41010ba33a20a87472ee821fa407a5b8da36;p=kvmfornfv.git

diff --git a/kernel/drivers/dma/ipu/ipu_irq.c b/kernel/drivers/dma/ipu/ipu_irq.c
index 2bf37e68a..dd184b50e 100644
--- a/kernel/drivers/dma/ipu/ipu_irq.c
+++ b/kernel/drivers/dma/ipu/ipu_irq.c
@@ -286,22 +286,21 @@ static void ipu_irq_handler(struct irq_desc *desc)
 		raw_spin_unlock(&bank_lock);
 		while ((line = ffs(status))) {
 			struct ipu_irq_map *map;
-			unsigned int irq = NO_IRQ;
+			unsigned int irq;
 
 			line--;
 			status &= ~(1UL << line);
 
 			raw_spin_lock(&bank_lock);
 			map = src2map(32 * i + line);
-			if (map)
-				irq = map->irq;
-			raw_spin_unlock(&bank_lock);
-
 			if (!map) {
+				raw_spin_unlock(&bank_lock);
 				pr_err("IPU: Interrupt on unmapped source %u bank %d\n",
 				       line, i);
 				continue;
 			}
+			irq = map->irq;
+			raw_spin_unlock(&bank_lock);
 			generic_handle_irq(irq);
 		}
 	}