From 489fe0096b19b664b8f3bed0fd604d617a229b5a Mon Sep 17 00:00:00 2001 From: Masami Hiramatsu Date: Tue, 7 May 2019 22:55:52 +0900 Subject: [PATCH] tracing: probeevent: Do not accumulate on ret variable 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: 40b53b771806 ("tracing: probeevent: Add array type support") Signed-off-by: Masami Hiramatsu Signed-off-by: Steven Rostedt (VMware) --- kernel/trace/trace_probe_tmpl.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace_probe_tmpl.h b/kernel/trace/trace_probe_tmpl.h index 4737bb8c07a3..c30c61f12ddd 100644 --- a/kernel/trace/trace_probe_tmpl.h +++ b/kernel/trace/trace_probe_tmpl.h @@ -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