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| author |   Namhyung Kim <namhyung.kim@lge.com> | 2012-05-23 11:36:50 +0900 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-05-24 11:33:53 -0300 |
| commit | b3511d0530c7a2b4fa64d1f5218c5f073ae7b543 (patch) | |
| tree | 4d12be6c4b46028ce684f3ec5b48f15a251479cb /tools/lib | |
| parent | tools lib traceevent: Fix a possibly wrong memory dereference (diff) | |
| download | linux-dev-b3511d0530c7a2b4fa64d1f5218c5f073ae7b543.tar.xz linux-dev-b3511d0530c7a2b4fa64d1f5218c5f073ae7b543.zip | |
tools lib traceevent: Fix freeing arg on process_dynamic_array()
The @arg paremeter should not be freed inside of process_XXX(),
because it'd be freed from the caller of process_arg(). We can
free it only after it was reused for local usage.
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1337740619-27925-14-git-send-email-namhyung.kim@lge.com
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/traceevent/event-parse.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 445a43ad42fd..355902795f0a 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -2300,17 +2300,18 @@ process_dynamic_array(struct event_format *event, struct print_arg *arg, char ** arg = alloc_arg(); type = process_arg(event, arg, &token); if (type == EVENT_ERROR) - goto out_free; + goto out_free_arg; if (!test_type_token(type, token, EVENT_OP, "]")) - goto out_free; + goto out_free_arg; free_token(token); type = read_token_item(tok); return type; + out_free_arg: + free_arg(arg); out_free: - free(arg); free_token(token); *tok = NULL; return EVENT_ERROR; |