ASoC: davinci-mcasp: Handle return value of devm_kasprintf

devm_kasprintf() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 40be08cecea49f4b14f27c809591b7d78361a9fe..804c6f2bcf218a61b492e1a67e24d6d3491b8229 100644 (file)
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -1868,6 +1868,10 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
        if (irq >= 0) {
                irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_common",
                                          dev_name(&pdev->dev));
+               if (!irq_name) {
+                       ret = -ENOMEM;
+                       goto err;
+               }
                ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
                                                davinci_mcasp_common_irq_handler,
                                                IRQF_ONESHOT | IRQF_SHARED,
@@ -1885,6 +1889,10 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
        if (irq >= 0) {
                irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_rx",
                                          dev_name(&pdev->dev));
+               if (!irq_name) {
+                       ret = -ENOMEM;
+                       goto err;
+               }
                ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
                                                davinci_mcasp_rx_irq_handler,
                                                IRQF_ONESHOT, irq_name, mcasp);
@@ -1900,6 +1908,10 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
        if (irq >= 0) {
                irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_tx",
                                          dev_name(&pdev->dev));
+               if (!irq_name) {
+                       ret = -ENOMEM;
+                       goto err;
+               }
                ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
                                                davinci_mcasp_tx_irq_handler,
                                                IRQF_ONESHOT, irq_name, mcasp);