net: ipv4: fix memory leak in ipmcadd1_src
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 v5.4.128 by commit 3dd2aeac2e9624cff9fa634710837e4f2e352758, it was introduced in version v4.9 by commit 24803f38a5c0b6c57ed800b47e695f9ce474bc3a. For more details please see the references link.