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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-28 19:30:35 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-28 19:30:35 +0200 |
| commit | df0001545b2769e6aa33a45e26c00a4cdac48c29 (patch) | |
| tree | 7ed3e4736e2089aa6b5dd9aa7cc13c0e3a155c04 /include/trace | |
| parent | 76fcbc9c7c57a5d44e7ca493d8f2f6eba3964f29 (diff) | |
| parent | 67ab5eb71b37b55f7c5522d080a1b42823351776 (diff) | |
| download | linux-df0001545b2769e6aa33a45e26c00a4cdac48c29.tar.bz2 | |
Merge tag 'trace-v5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pulltracing fixes from Steven Rostedt:
- Limit mcount build time sorting to only those archs that we know it
works for.
- Fix memory leak in error path of histogram setup
- Fix and clean up rel_loc array out of bounds issue
- tools/rtla documentation fixes
- Fix issues with histogram logic
* tag 'trace-v5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Don't inc err_log entry count if entry allocation fails
tracing: Propagate is_signed to expression
tracing: Fix smatch warning for do while check in event_hist_trigger_parse()
tracing: Fix smatch warning for null glob in event_hist_trigger_parse()
tools/tracing: Update Makefile to build rtla
rtla: Make doc build optional
tracing/perf: Avoid -Warray-bounds warning for __rel_loc macro
tracing: Avoid -Warray-bounds warning for __rel_loc macro
tracing/histogram: Fix a potential memory leak for kstrdup()
ftrace: Have architectures opt-in for mcount build time sorting
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/perf.h | 5 | ||||
| -rw-r--r-- | include/trace/trace_events.h | 9 |
2 files changed, 8 insertions, 6 deletions
diff --git a/include/trace/perf.h b/include/trace/perf.h index ea4405de175a..5d48c46a3008 100644 --- a/include/trace/perf.h +++ b/include/trace/perf.h @@ -23,8 +23,9 @@ #undef __get_rel_dynamic_array #define __get_rel_dynamic_array(field) \ - ((void *)(&__entry->__rel_loc_##field) + \ - sizeof(__entry->__rel_loc_##field) + \ + ((void *)__entry + \ + offsetof(typeof(*__entry), __rel_loc_##field) + \ + sizeof(__entry->__rel_loc_##field) + \ (__entry->__rel_loc_##field & 0xffff)) #undef __get_rel_dynamic_array_len diff --git a/include/trace/trace_events.h b/include/trace/trace_events.h index 8c6f7c433518..3d29919045af 100644 --- a/include/trace/trace_events.h +++ b/include/trace/trace_events.h @@ -128,7 +128,7 @@ TRACE_MAKE_SYSTEM_STR(); struct trace_event_raw_##name { \ struct trace_entry ent; \ tstruct \ - char __data[0]; \ + char __data[]; \ }; \ \ static struct trace_event_class event_class_##name; @@ -318,9 +318,10 @@ TRACE_MAKE_SYSTEM_STR(); #define __get_str(field) ((char *)__get_dynamic_array(field)) #undef __get_rel_dynamic_array -#define __get_rel_dynamic_array(field) \ - ((void *)(&__entry->__rel_loc_##field) + \ - sizeof(__entry->__rel_loc_##field) + \ +#define __get_rel_dynamic_array(field) \ + ((void *)__entry + \ + offsetof(typeof(*__entry), __rel_loc_##field) + \ + sizeof(__entry->__rel_loc_##field) + \ (__entry->__rel_loc_##field & 0xffff)) #undef __get_rel_dynamic_array_len |