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Date: Mon, 11 Nov 2019 19:28:26 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Arvind Yadav <arvind.yadav.cs@...il.com>,
Peter Ujfalusi <peter.ujfalusi@...com>,
Mark Brown <broonie@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>
Subject: [PATCH 4.14 056/105] ASoC: davinci-mcasp: Handle return value of devm_kasprintf
From: Arvind Yadav <arvind.yadav.cs@...il.com>
commit 0c8b794c4a10aaf7ac0d4a49be2b2638e2038adb upstream
devm_kasprintf() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@...com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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);
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