Warnings before patch:
files: ['kernel/trace/trace.c']
Warning: kernel/trace/trace.c:660 No description found for return value of 'trace_find_filtered_pid'
Warning: kernel/trace/trace.c:678 No description found for return value of 'trace_ignore_this_task'
Warning: kernel/trace/trace.c:738 No description found for return value of 'trace_pid_next'
Warning: kernel/trace/trace.c:766 No description found for return value of 'trace_pid_start'
Warning: kernel/trace/trace.c:792 No description found for return value of 'trace_pid_show'
Warning: kernel/trace/trace.c:922 No description found for return value of 'tracing_is_enabled'
Warning: kernel/trace/trace.c:1183 No description found for return value of '__trace_puts'
Warning: kernel/trace/trace.c:1194 No description found for return value of '__trace_bputs'
Warning: kernel/trace/trace.c:1330 No description found for return value of 'tracing_cond_snapshot_data'
Warning: kernel/trace/trace.c:1439 No description found for return value of 'tracing_alloc_snapshot'
Warning: kernel/trace/trace.c:1488 No description found for return value of 'tracing_snapshot_cond_enable'
Warning: kernel/trace/trace.c:1540 No description found for return value of 'tracing_snapshot_cond_disable'
Warning: kernel/trace/trace.c:1681 No description found for return value of 'tracer_tracing_is_on'
Warning: kernel/trace/trace.c:1691 No description found for return value of 'tracing_is_on'
Warning: kernel/trace/trace.c:2338 No description found for return value of 'register_tracer'
Warning: kernel/trace/trace.c:3346 No description found for return value of 'trace_vbprintk'
Warning: kernel/trace/trace.c:3484 No description found for return value of 'trace_array_printk'
Warning: kernel/trace/trace.c:3514 No description found for return value of 'trace_array_init_printk'
Warning: kernel/trace/trace.c:6123 No description found for return value of 'trace_adjust_address'
Warning: kernel/trace/trace.c:6258 No description found for return value of 'tracing_update_buffers'
Warning: kernel/trace/trace.c:7421 No description found for return value of 'trace_user_fault_init'
Warning: kernel/trace/trace.c:7445 No description found for return value of 'trace_user_fault_get'
Warning: kernel/trace/trace.c:7464 No description found for return value of 'trace_user_fault_put'
Warning: kernel/trace/trace.c:7509 No description found for return value of 'trace_user_fault_read'
Warning: kernel/trace/trace.c:8372 No description found for return value of 'err_pos'
Warning: kernel/trace/trace.c:10473 No description found for return value of 'trace_array_get_by_name'
Warning: kernel/trace/trace.c:10739 No description found for return value of 'tracing_init_dentry'
Warning: kernel/trace/trace.c:660 No description found for return value of 'trace_find_filtered_pid'
Warning: kernel/trace/trace.c:678 No description found for return value of 'trace_ignore_this_task'
Warning: kernel/trace/trace.c:738 No description found for return value of 'trace_pid_next'
Warning: kernel/trace/trace.c:766 No description found for return value of 'trace_pid_start'
Warning: kernel/trace/trace.c:792 No description found for return value of 'trace_pid_show'
Warning: kernel/trace/trace.c:922 No description found for return value of 'tracing_is_enabled'
Warning: kernel/trace/trace.c:1183 No description found for return value of '__trace_puts'
Warning: kernel/trace/trace.c:1194 No description found for return value of '__trace_bputs'
Warning: kernel/trace/trace.c:1330 No description found for return value of 'tracing_cond_snapshot_data'
Warning: kernel/trace/trace.c:1439 No description found for return value of 'tracing_alloc_snapshot'
Warning: kernel/trace/trace.c:1488 No description found for return value of 'tracing_snapshot_cond_enable'
Warning: kernel/trace/trace.c:1540 No description found for return value of 'tracing_snapshot_cond_disable'
Warning: kernel/trace/trace.c:1681 No description found for return value of 'tracer_tracing_is_on'
Warning: kernel/trace/trace.c:1691 No description found for return value of 'tracing_is_on'
Warning: kernel/trace/trace.c:2338 No description found for return value of 'register_tracer'
Warning: kernel/trace/trace.c:3346 No description found for return value of 'trace_vbprintk'
Warning: kernel/trace/trace.c:3484 No description found for return value of 'trace_array_printk'
Warning: kernel/trace/trace.c:3514 No description found for return value of 'trace_array_init_printk'
Warning: kernel/trace/trace.c:6123 No description found for return value of 'trace_adjust_address'
Warning: kernel/trace/trace.c:6258 No description found for return value of 'tracing_update_buffers'
Warning: kernel/trace/trace.c:7421 No description found for return value of 'trace_user_fault_init'
Warning: kernel/trace/trace.c:7445 No description found for return value of 'trace_user_fault_get'
Warning: kernel/trace/trace.c:7464 No description found for return value of 'trace_user_fault_put'
Warning: kernel/trace/trace.c:7509 No description found for return value of 'trace_user_fault_read'
Warning: kernel/trace/trace.c:8372 No description found for return value of 'err_pos'
Warning: kernel/trace/trace.c:10473 No description found for return value of 'trace_array_get_by_name'
Warning: kernel/trace/trace.c:10739 No description found for return value of 'tracing_init_dentry'

Current warnings:
files: ['kernel/trace/trace.c']
Warning: kernel/trace/trace.c:660 No description found for return value of 'trace_find_filtered_pid'
Warning: kernel/trace/trace.c:678 No description found for return value of 'trace_ignore_this_task'
Warning: kernel/trace/trace.c:738 No description found for return value of 'trace_pid_next'
Warning: kernel/trace/trace.c:766 No description found for return value of 'trace_pid_start'
Warning: kernel/trace/trace.c:792 No description found for return value of 'trace_pid_show'
Warning: kernel/trace/trace.c:922 No description found for return value of 'tracing_is_enabled'
Warning: kernel/trace/trace.c:1183 No description found for return value of '__trace_puts'
Warning: kernel/trace/trace.c:1194 No description found for return value of '__trace_bputs'
Warning: kernel/trace/trace.c:1330 No description found for return value of 'tracing_cond_snapshot_data'
Warning: kernel/trace/trace.c:1439 No description found for return value of 'tracing_alloc_snapshot'
Warning: kernel/trace/trace.c:1488 No description found for return value of 'tracing_snapshot_cond_enable'
Warning: kernel/trace/trace.c:1540 No description found for return value of 'tracing_snapshot_cond_disable'
Warning: kernel/trace/trace.c:1681 No description found for return value of 'tracer_tracing_is_on'
Warning: kernel/trace/trace.c:1691 No description found for return value of 'tracing_is_on'
Warning: kernel/trace/trace.c:2338 No description found for return value of 'register_tracer'
Warning: kernel/trace/trace.c:3346 No description found for return value of 'trace_vbprintk'
Warning: kernel/trace/trace.c:3484 No description found for return value of 'trace_array_printk'
Warning: kernel/trace/trace.c:3514 No description found for return value of 'trace_array_init_printk'
Warning: kernel/trace/trace.c:6123 No description found for return value of 'trace_adjust_address'
Warning: kernel/trace/trace.c:6258 No description found for return value of 'tracing_update_buffers'
Warning: kernel/trace/trace.c:7421 No description found for return value of 'trace_user_fault_init'
Warning: kernel/trace/trace.c:7445 No description found for return value of 'trace_user_fault_get'
Warning: kernel/trace/trace.c:7464 No description found for return value of 'trace_user_fault_put'
Warning: kernel/trace/trace.c:7509 No description found for return value of 'trace_user_fault_read'
Warning: kernel/trace/trace.c:8372 No description found for return value of 'err_pos'
Warning: kernel/trace/trace.c:10473 No description found for return value of 'trace_array_get_by_name'
Warning: kernel/trace/trace.c:10739 No description found for return value of 'tracing_init_dentry'
Warning: kernel/trace/trace.c:660 No description found for return value of 'trace_find_filtered_pid'
Warning: kernel/trace/trace.c:678 No description found for return value of 'trace_ignore_this_task'
Warning: kernel/trace/trace.c:738 No description found for return value of 'trace_pid_next'
Warning: kernel/trace/trace.c:766 No description found for return value of 'trace_pid_start'
Warning: kernel/trace/trace.c:792 No description found for return value of 'trace_pid_show'
Warning: kernel/trace/trace.c:922 No description found for return value of 'tracing_is_enabled'
Warning: kernel/trace/trace.c:1183 No description found for return value of '__trace_puts'
Warning: kernel/trace/trace.c:1194 No description found for return value of '__trace_bputs'
Warning: kernel/trace/trace.c:1330 No description found for return value of 'tracing_cond_snapshot_data'
Warning: kernel/trace/trace.c:1439 No description found for return value of 'tracing_alloc_snapshot'
Warning: kernel/trace/trace.c:1488 No description found for return value of 'tracing_snapshot_cond_enable'
Warning: kernel/trace/trace.c:1540 No description found for return value of 'tracing_snapshot_cond_disable'
Warning: kernel/trace/trace.c:1681 No description found for return value of 'tracer_tracing_is_on'
Warning: kernel/trace/trace.c:1691 No description found for return value of 'tracing_is_on'
Warning: kernel/trace/trace.c:2338 No description found for return value of 'register_tracer'
Warning: kernel/trace/trace.c:3346 No description found for return value of 'trace_vbprintk'
Warning: kernel/trace/trace.c:3484 No description found for return value of 'trace_array_printk'
Warning: kernel/trace/trace.c:3514 No description found for return value of 'trace_array_init_printk'
Warning: kernel/trace/trace.c:6123 No description found for return value of 'trace_adjust_address'
Warning: kernel/trace/trace.c:6258 No description found for return value of 'tracing_update_buffers'
Warning: kernel/trace/trace.c:7421 No description found for return value of 'trace_user_fault_init'
Warning: kernel/trace/trace.c:7445 No description found for return value of 'trace_user_fault_get'
Warning: kernel/trace/trace.c:7464 No description found for return value of 'trace_user_fault_put'
Warning: kernel/trace/trace.c:7509 No description found for return value of 'trace_user_fault_read'
Warning: kernel/trace/trace.c:8372 No description found for return value of 'err_pos'
Warning: kernel/trace/trace.c:10473 No description found for return value of 'trace_array_get_by_name'
Warning: kernel/trace/trace.c:10739 No description found for return value of 'tracing_init_dentry'

Warnings before: 54 after: 54