Warnings before patch:
files: ['arch/x86/include/asm/ftrace.h', 'kernel/trace/fgraph.c']
Warning: kernel/trace/fgraph.c:411 No description found for return value of 'fgraph_get_task_var'
Warning: kernel/trace/fgraph.c:905 No description found for return value of 'ftrace_graph_get_ret_stack'
Warning: kernel/trace/fgraph.c:927 No description found for return value of 'ftrace_graph_top_ret_addr'
Warning: kernel/trace/fgraph.c:964 No description found for return value of 'ftrace_graph_ret_addr'
Warning: kernel/trace/fgraph.c:411 No description found for return value of 'fgraph_get_task_var'
Warning: kernel/trace/fgraph.c:905 No description found for return value of 'ftrace_graph_get_ret_stack'
Warning: kernel/trace/fgraph.c:927 No description found for return value of 'ftrace_graph_top_ret_addr'
Warning: kernel/trace/fgraph.c:964 No description found for return value of 'ftrace_graph_ret_addr'

Current warnings:
files: ['arch/x86/include/asm/ftrace.h', 'kernel/trace/fgraph.c']
Warning: kernel/trace/fgraph.c:411 No description found for return value of 'fgraph_get_task_var'
Warning: kernel/trace/fgraph.c:905 No description found for return value of 'ftrace_graph_get_ret_stack'
Warning: kernel/trace/fgraph.c:927 No description found for return value of 'ftrace_graph_top_ret_addr'
Warning: kernel/trace/fgraph.c:964 No description found for return value of 'ftrace_graph_ret_addr'
Warning: kernel/trace/fgraph.c:411 No description found for return value of 'fgraph_get_task_var'
Warning: kernel/trace/fgraph.c:905 No description found for return value of 'ftrace_graph_get_ret_stack'
Warning: kernel/trace/fgraph.c:927 No description found for return value of 'ftrace_graph_top_ret_addr'
Warning: kernel/trace/fgraph.c:964 No description found for return value of 'ftrace_graph_ret_addr'

Warnings before: 8 after: 8