CVE-2025-21799 net: ethernet: ti: am65-cpsw: fix freeing IRQ in am65_cpsw_nuss_remove_tx_chns()

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw: fix freeing IRQ in am65cpswnussremovetxchns When getting the IRQ we use k3udmagluetxgetirq which returns negative error value on error. So not NULL check is not sufficient to deteremine if IRQ is...