Re: [PATCH for 4.19] tracepoint: Fix: out-of-bound tracepoint array iteration

kbuild test robot
2018-10-13T02:11:44Z

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Hi Mathieu,

I love your patch! Yet something to improve:

[auto build test ERROR on tip/perf/core]
[also build test ERROR on v4.19-rc7 next-20181012]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Mathieu-Desnoyers/tracepoint-Fix-out-of-bound-tracepoint-array-iteration/20181013-073410
config: arm-allyesconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=arm

All errors (new ones prefixed by >>):

In file included from drivers/media/media-devnode.c:33:0:
>> include/linux/module.h:433:2: error: unknown type name 'tracepoint_ptr_t'
tracepoint_ptr_t *tracepoints_ptrs;
^~~~~~~~~~~~~~~~

vim +/tracepoint_ptr_t +433 include/linux/module.h

430
431 #ifdef CONFIG_TRACEPOINTS
432 unsigned int num_tracepoints;
> 433 tracepoint_ptr_t *tracepoints_ptrs;
434 #endif
435 #ifdef HAVE_JUMP_LABEL
436 struct jump_entry *jump_entries;
437 unsigned int num_jump_entries;
438 #endif
439 #ifdef CONFIG_TRACING
440 unsigned int num_trace_bprintk_fmt;
441 const char **trace_bprintk_fmt_start;
442 #endif
443 #ifdef CONFIG_EVENT_TRACING
444 struct trace_event_call **trace_events;
445 unsigned int num_trace_events;
446 struct trace_eval_map **trace_evals;
447 unsigned int num_trace_evals;
448 #endif
449 #ifdef CONFIG_FTRACE_MCOUNT_RECORD
450 unsigned int num_ftrace_callsites;
451 unsigned long *ftrace_callsites;
452 #endif
453

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