dmaengine: ti: edma: Add some null pointer checks to the edma_probe
[ Upstream commit 6e2276203a
]
devm_kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Link: https://lore.kernel.org/r/20240118031929.192192-1-chentao@kylinos.cn
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
parent
3e746c4e48
commit
9d508c8971
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@ -2413,6 +2413,11 @@ static int edma_probe(struct platform_device *pdev)
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if (irq > 0) {
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irq_name = devm_kasprintf(dev, GFP_KERNEL, "%s_ccint",
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dev_name(dev));
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if (!irq_name) {
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ret = -ENOMEM;
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goto err_disable_pm;
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}
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ret = devm_request_irq(dev, irq, dma_irq_handler, 0, irq_name,
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ecc);
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if (ret) {
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@ -2429,6 +2434,11 @@ static int edma_probe(struct platform_device *pdev)
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if (irq > 0) {
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irq_name = devm_kasprintf(dev, GFP_KERNEL, "%s_ccerrint",
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dev_name(dev));
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if (!irq_name) {
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ret = -ENOMEM;
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goto err_disable_pm;
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}
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ret = devm_request_irq(dev, irq, dma_ccerr_handler, 0, irq_name,
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ecc);
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if (ret) {
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