iio: adc: at91_adc: fix possible memory leak in at91_adc_allocate_trigger()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.225 by commit 7b75515728b628a9a7540f201efdeb8ca7299385, it was introduced in version v3.5 by commit 0e589d5fb3172b0dde7fdad3a4829ce5352dd30d. For more details please see the references link.