Describe CVE-2021-47161.
What is CVE-2021-47161?
In the Linux kernel, the following vulnerability has been resolved:

spi: spi-fsl-dspi: Fix a resource leak in an error handling path

'dspi_request_dma()' should be undone by a 'dspi_release_dma()' call in the
error handling path of the probe function, as already done in the remove
function.