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tracing: probeevent: Do not accumulate on ret variable

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Do not accumulate strlen result on "ret" local variable, because
it is accumulated on "total" local variable for array case.

Link: http://lkml.kernel.org/r/155723735237.9149.3192150444705457531.stgit@devnote2

Fixes: 40b53b7718 ("tracing: probeevent: Add array type support")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Masami Hiramatsu 2019-05-07 22:55:52 +09:00 committed by Steven Rostedt (VMware)
parent 4dd537aca2
commit 489fe0096b
1 changed files with 1 additions and 1 deletions
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kernel/trace/trace_probe_tmpl.h
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@ -88,7 +88,7 @@ process_fetch_insn_bottom(struct fetch_insn *code, unsigned long val,
/* 3rd stage: store value to buffer */
if (unlikely(!dest)) {
if (code->op == FETCH_OP_ST_STRING) {
ret += fetch_store_strlen(val + code->offset);
ret = fetch_store_strlen(val + code->offset);
code++;
goto array;
} else