Commit-ID: a3e0ab050774117d4a6173087c8bf3888662a83f
Gitweb: http://git.kernel.org/tip/a3e0ab050774117d4a6173087c8bf3888662a83f
Author: Li Zefan <lizf@xxxxxxxxxxxxxx>
AuthorDate: Sat, 11 Apr 2009 15:52:51 +0800
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Sun, 12 Apr 2009 11:59:28 +0200
tracing/filters: allow user input integer to be oct or hex
Before patch:
# echo 'parent_pid == 0x10' > events/sched/sched_process_fork/filter
# cat sched/sched_process_fork/filter
parent_pid == 0
After patch:
# cat sched/sched_process_fork/filter
parent_pid == 16
Also check the input more strictly.
Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
Acked-by: Tom Zanussi <tzanussi@xxxxxxxxx>
Acked-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
LKML-Reference: <49E04C53.4010600@xxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
kernel/trace/trace_events_filter.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 9d2162f..49b3ef5 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -419,12 +419,13 @@ int filter_parse(char **pbuf, struct filter_pred *pred)
if (!pred->field_name)
return -ENOMEM;
- pred->val = simple_strtoull(val_str, &tmp, 10);
+ pred->val = simple_strtoull(val_str, &tmp, 0);
if (tmp == val_str) {
pred->str_val = kstrdup(val_str, GFP_KERNEL);
if (!pred->str_val)
return -ENOMEM;
- }
+ } else if (*tmp != '\0')
+ return -EINVAL;
return 0;
}
--
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