ethtool: ioctl: fix potential NULL deref in ethtoolsetcoalesce()
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 v5.15.6 by commit abfdd9e2f0f9699015d72317f74154d3e53664e6, it was introduced in version v5.15 by commit f3ccfda1931977b80267ba54070a1aeafa18f6ca. For more details please see the references link.