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author | Steven Rostedt (Google) <rostedt@goodmis.org> | 2024-02-23 00:14:19 +0300 |
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committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2024-03-18 17:33:04 +0300 |
commit | 70a6ed553f7d3504febac467cb4a0bae621ba3c6 (patch) | |
tree | 63e10fa3046cd59537fcd2556dc8cedccc869787 /include/trace/stages/stage5_get_offsets.h | |
parent | 916849860fa9c7d3caeb144cb5dec8831cf23bfc (diff) | |
download | linux-70a6ed553f7d3504febac467cb4a0bae621ba3c6.tar.xz |
tracing: Use EVENT_NULL_STR macro instead of open coding "(null)"
The TRACE_EVENT macros has some dependency if a __string() field is NULL,
where it will save "(null)" as the string. This string is also used by
__assign_str(). It's better to create a single macro instead of having
something that will not be caught by the compiler if there is an
unfortunate typo.
Link: https://lore.kernel.org/linux-trace-kernel/20240222211443.106216915@goodmis.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Chuck Lever <chuck.lever@oracle.com>
Suggested-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'include/trace/stages/stage5_get_offsets.h')
-rw-r--r-- | include/trace/stages/stage5_get_offsets.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/trace/stages/stage5_get_offsets.h b/include/trace/stages/stage5_get_offsets.h index 20b801ed3fd4..e6b96608f452 100644 --- a/include/trace/stages/stage5_get_offsets.h +++ b/include/trace/stages/stage5_get_offsets.h @@ -47,7 +47,7 @@ #undef __string #define __string(item, src) __dynamic_array(char, item, \ - strlen((const char *)(src) ? : "(null)") + 1) \ + strlen((const char *)(src) ? : EVENT_NULL_STR) + 1) \ __data_offsets->item##_ptr_ = src; #undef __string_len @@ -70,7 +70,7 @@ #undef __rel_string #define __rel_string(item, src) __rel_dynamic_array(char, item, \ - strlen((const char *)(src) ? : "(null)") + 1) \ + strlen((const char *)(src) ? : EVENT_NULL_STR) + 1) \ __data_offsets->item##_ptr_ = src; #undef __rel_string_len |