diff options
| author | Kunwu Chan <chentao@kylinos.cn> | 2024-01-18 11:19:29 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2024-01-22 16:53:45 +0530 |
| commit | 6e2276203ac9ff10fc76917ec9813c660f627369 (patch) | |
| tree | fac468de2960cd3d7141442dbac4e11b7a9e3c98 | |
| parent | b73e43dcd7a8be26880ef8ff336053b29e79dbc5 (diff) | |
dmaengine: ti: edma: Add some null pointer checks to the edma_probe
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>
| -rw-r--r-- | drivers/dma/ti/edma.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c index f1f920861fa9..5f8d2e93ff3f 100644 --- a/drivers/dma/ti/edma.c +++ b/drivers/dma/ti/edma.c @@ -2404,6 +2404,11 @@ static int edma_probe(struct platform_device *pdev) if (irq > 0) { irq_name = devm_kasprintf(dev, GFP_KERNEL, "%s_ccint", dev_name(dev)); + if (!irq_name) { + ret = -ENOMEM; + goto err_disable_pm; + } + ret = devm_request_irq(dev, irq, dma_irq_handler, 0, irq_name, ecc); if (ret) { @@ -2420,6 +2425,11 @@ static int edma_probe(struct platform_device *pdev) if (irq > 0) { irq_name = devm_kasprintf(dev, GFP_KERNEL, "%s_ccerrint", dev_name(dev)); + if (!irq_name) { + ret = -ENOMEM; + goto err_disable_pm; + } + ret = devm_request_irq(dev, irq, dma_ccerr_handler, 0, irq_name, ecc); if (ret) { |