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Subject[BACKPORT 4.14.y 14/18] ASoC: davinci-mcasp: Handle return value of devm_kasprintf
Date
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>
---
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 0480ec4c8035..af6cd8b874f5 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -1894,6 +1894,10 @@ 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,
@@ -1911,6 +1915,10 @@ 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);
@@ -1926,6 +1934,10 @@ 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);
--
2.17.1
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