korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-11 21:14:07 +08:00
Code Issues Packages Projects Releases Wiki Activity

tracing/filters: Fix memory leak when setting a filter

Browse Source 
Every time we set a filter, we leak memory allocated by
postfix_append_operand() and postfix_append_op().

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
Cc: <stable@kernel.org> # for v2.6.31.x
LKML-Reference: <4AD3D7D9.4070400@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Li Zefan 2009-10-13 09:28:57 +08:00 committed by Ingo Molnar
parent a813a15976
commit 8ad807318f
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
kernel/trace/trace_events_filter.c
View File

@ -933,8 +933,9 @@ static void postfix_clear(struct filter_parse_state *ps)
while (!list_empty(&ps->postfix)) { while (!list_empty(&ps->postfix)) {
elt = list_first_entry(&ps->postfix, struct postfix_elt, list); elt = list_first_entry(&ps->postfix, struct postfix_elt, list);
kfree(elt->operand);
list_del(&elt->list); list_del(&elt->list);
kfree(elt->operand);
kfree(elt);
} }
} }