Warnings before patch:
files: ['net/core/dst_cache.c', 'include/net/dst_cache.h']
Warning: include/net/dst_cache.h:23 No description found for return value of 'dst_cache_get'
Warning: include/net/dst_cache.h:32 No description found for return value of 'dst_cache_get_ip4'
Warning: include/net/dst_cache.h:66 No description found for return value of 'dst_cache_get_ip6'
Warning: include/net/dst_cache.h:97 No description found for return value of 'dst_cache_init'

Current warnings:
files: ['net/core/dst_cache.c', 'include/net/dst_cache.h']
Warning: include/net/dst_cache.h:23 No description found for return value of 'dst_cache_get'
Warning: include/net/dst_cache.h:49 No description found for return value of 'dst_cache_get_ip4'
Warning: include/net/dst_cache.h:121 No description found for return value of 'dst_cache_get_ip6'
Warning: include/net/dst_cache.h:168 No description found for return value of 'dst_cache_init'

Warnings before: 4 after: 4