Warnings before patch:
files: ['Documentation/networking/ip-sysctl.rst', 'include/net/netns/ipv4.h', 'include/linux/icmp.h', 'net/ipv4/sysctl_net_ipv4.c', 'net/ipv4/icmp.c']
<parse fail>: Warning: net/ipv4/icmp.c:233 No description found for return value of 'icmp_global_allow'
Warning: net/ipv4/icmp.c:233 No description found for return value of 'icmp_global_allow'

Current warnings:
files: ['Documentation/networking/ip-sysctl.rst', 'include/net/netns/ipv4.h', 'include/linux/icmp.h', 'net/ipv4/sysctl_net_ipv4.c', 'net/ipv4/icmp.c']
<parse fail>: Warning: net/ipv4/icmp.c:233 No description found for return value of 'icmp_global_allow'
Warning: net/ipv4/icmp.c:233 No description found for return value of 'icmp_global_allow'

Warnings before: 1 after: 1