GSD-2023-1000420 vdpa_sim: fix possible memory leak in vdpasim_net_init() and vdpasim_blk_init()

vdpasim: fix possible memory leak in vdpasimnetinit and vdpasimblkinit 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 v6.0.19 by commit...