Re: [PATCH -next 9/9] ASoC: fsl_xcvr: check return value after calling platform_get_resource_byname()
flat view
From: Timur Tabi <timur@kernel.org>
Date: 2021-06-13 14:01:28
Also in:
alsa-devel, lkml
On Fri, Jun 11, 2021 at 4:32 AM Yang Yingliang [off-list ref] wrote:
quoted hunk ↗ jump to hunk
rx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rxfifo"); tx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "txfifo"); + if (!rx_res || !tx_res) { + dev_err(dev, "Invalid resource\n"); + return -EINVAL; + }
If platform_get_resource_byname() returns an error, it's probably because the name cannot be found. So I think this error message is more accurate: "could not find rxfifo or txfifo resource"