Commit 1f61be00 authored Jun 11, 2014 by Namhyung Kim Committed by Steven Rostedt Jul 01, 2014

ftrace: Fix memory leak on failure path in ftrace_allocate_pages()

As struct ftrace_page is managed in a single linked list, it should
free from the start page.

Link: http://lkml.kernel.org/p/1402474014-28655-1-git-send-email-namhyung@kernel.org



Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

parent a737e6dd

kernel/trace/ftrace.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -2637,7 +2637,8 @@ ftrace_allocate_pages(unsigned long num_to_init)
		return start_pg;

		free_pages:
		while (start_pg) {
		pg = start_pg;
		while (pg) {
		order = get_count_order(pg->size / ENTRIES_PER_PAGE);
		free_pages((unsigned long)pg->records, order);
		start_pg = pg->next;