ARM: OMAP: dma: fix error return code in omap_system_dma_probe()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index c47e64b..96c14a3 100644 (file)
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -2077,6 +2077,7 @@ static int __devinit omap_system_dma_probe(struct platform_device *pdev)
                dma_irq = platform_get_irq_byname(pdev, irq_name);
                if (dma_irq < 0) {
                        dev_err(&pdev->dev, "failed: request IRQ %d", dma_irq);
+                       ret = dma_irq;
                        goto exit_dma_lch_fail;
                }
                ret = setup_irq(dma_irq, &omap24xx_dma_irq);