[PATCH] ASoC: davinci-mcasp: Handle return value of devm_kasprintf

From: Arvind Yadav
Date: Wed Sep 20 2017 - 06:06:09 EST


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

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
Acked-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
sound/soc/davinci/davinci-mcasp.c | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 40be08cecea4..804c6f2bcf21 100644
--- 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);
--
2.14.1