1 files changed, 6 insertions, 2 deletions

diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c
index 2ede598b77d..6b9669869c4 100644
--- a/arch/arm/mach-davinci/dma.c
+++ b/arch/arm/mach-davinci/dma.c
@@ -354,10 +354,12 @@ static int irq2ctlr(int irq)
 static irqreturn_t dma_irq_handler(int irq, void *data)
 {
         int i;
-        unsigned ctlr;
+        int ctlr;
         unsigned int cnt = 0;
 
         ctlr = irq2ctlr(irq);
+        if (ctlr < 0)
+                return IRQ_NONE;
 
         dev_dbg(data, "dma_irq_handler\n");
 
@@ -408,10 +410,12 @@ static irqreturn_t dma_irq_handler(int irq, void *data)
 static irqreturn_t dma_ccerr_handler(int irq, void *data)
 {
         int i;
-        unsigned ctlr;
+        int ctlr;
         unsigned int cnt = 0;
 
         ctlr = irq2ctlr(irq);
+        if (ctlr < 0)
+                return IRQ_NONE;
 
         dev_dbg(data, "dma_ccerr_handler\n");