From: Ian Rogers <irogers@google.com>
Date: Mon, 4 May 2026 08:12:21 +0000 (-0700)
Subject: perf srcline: Introduce inline_node__clear_frames()
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=674dea094ef6594ea1aa0efb074a4646a81350b2;p=thirdparty%2Fkernel%2Fstable.git

perf srcline: Introduce inline_node__clear_frames()

Introduce inline_node__clear_frames() to clean up partial allocations.
This is a prerequisite for error handling in libdw inline unwinding.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zecheng Li <zli94@ncsu.edu>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---

diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index db164d258163..62884428fb5a 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -429,10 +429,13 @@ struct inline_node *dso__parse_addr_inlines(struct dso *dso, u64 addr,
 	return addr2inlines(dso_name, addr, dso, sym);
 }
 
-void inline_node__delete(struct inline_node *node)
+void inline_node__clear_frames(struct inline_node *node)
 {
 	struct inline_list *ilist, *tmp;
 
+	if (node == NULL)
+		return;
+
 	list_for_each_entry_safe(ilist, tmp, &node->val, list) {
 		list_del_init(&ilist->list);
 		zfree_srcline(&ilist->srcline);
@@ -441,7 +444,11 @@ void inline_node__delete(struct inline_node *node)
 			symbol__delete(ilist->symbol);
 		free(ilist);
 	}
+}
 
+void inline_node__delete(struct inline_node *node)
+{
+	inline_node__clear_frames(node);
 	free(node);
 }
 
diff --git a/tools/perf/util/srcline.h b/tools/perf/util/srcline.h
index 7c37b3bf9ce7..1018cbc886d6 100644
--- a/tools/perf/util/srcline.h
+++ b/tools/perf/util/srcline.h
@@ -47,6 +47,7 @@ struct inline_node *dso__parse_addr_inlines(struct dso *dso, u64 addr,
 					    struct symbol *sym);
 /* free resources associated to the inline node list */
 void inline_node__delete(struct inline_node *node);
+void inline_node__clear_frames(struct inline_node *node);
 
 /* insert the inline node list into the DSO, which will take ownership */
 void inlines__tree_insert(struct rb_root_cached *tree,