Warnings before patch:
files: ['drivers/net/wwan/Kconfig', 'drivers/net/wwan/wwan_core.c', 'include/linux/wwan.h']
Warning: include/linux/wwan.h:147 No description found for return value of 'wwan_port_get_drvdata'
Warning: include/linux/wwan.h:147 No description found for return value of 'wwan_port_get_drvdata'

Current warnings:
files: ['drivers/net/wwan/Kconfig', 'drivers/net/wwan/wwan_core.c', 'include/linux/wwan.h']
Warning: include/linux/wwan.h:149 No description found for return value of 'wwan_port_get_drvdata'
Warning: include/linux/wwan.h:149 No description found for return value of 'wwan_port_get_drvdata'

Warnings before: 2 after: 2