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Subject[PATCH 1/3] ASoC: davinci-mcasp: Handle return value of devm_kasprintf
Date
devm_kasprintf() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
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 f395bbc..d1a4aa2 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -1867,6 +1867,10 @@ 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,
@@ -1884,6 +1888,10 @@ 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);
@@ -1899,6 +1907,10 @@ 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);
--
1.9.1
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