From: Arvind Yadav arvind.yadav.cs@gmail.com
commit 0c8b794c4a10aaf7ac0d4a49be2b2638e2038adb upstream
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 Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- sound/soc/davinci/davinci-mcasp.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
--- a/sound/soc/davinci/davinci-mcasp.c +++ b/sound/soc/davinci/davinci-mcasp.c @@ -1894,6 +1894,10 @@ static int davinci_mcasp_probe(struct pl 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, @@ -1911,6 +1915,10 @@ static int davinci_mcasp_probe(struct pl 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); @@ -1926,6 +1934,10 @@ static int davinci_mcasp_probe(struct pl 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);