dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

tracing/filters: Don't use pred on alloc failure 

Dan Carpenter sent me a fix to prevent pred from being used if
it couldn't be allocated.  I noticed the same problem also
existed for the create_pred() case and added a fix for that.

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <1249746549.6453.29.camel@tropicana>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Tom Zanussi 2009-08-08 10:49:09 -05:00 committed by Ingo Molnar
parent bd3f02212d
commit 96b2de313b
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
kernel/trace/trace_events_filter.c
View File

@ -1029,6 +1029,8 @@ static int replace_preds(struct event_subsystem *system,
if (elt->op == OP_AND || elt->op == OP_OR) {
pred = create_logical_pred(elt->op);
if (!pred)
return -ENOMEM;
if (call) {
err = filter_add_pred(ps, call, pred);
filter_free_pred(pred);
@ -1048,6 +1050,8 @@ static int replace_preds(struct event_subsystem *system,
}
pred = create_pred(elt->op, operand1, operand2);
if (!pred)
return -ENOMEM;
if (call) {
err = filter_add_pred(ps, call, pred);
filter_free_pred(pred);