If FAULT_INJECTION_STACKTRACE_FILTER is enabled, the depth is default
to 32. This means fail_stacktrace() will iter each entry's stacktrace,
even if filter is not configured.
This patch change to quick return from fail_stacktrace() if stacktrace
filter is not set.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
lib/fault-inject.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/fault-inject.c b/lib/fault-inject.c
index 423784d9c058..515fc5aaf032 100644
--- a/lib/fault-inject.c
+++ b/lib/fault-inject.c
@@ -74,7 +74,7 @@ static bool fail_stacktrace(struct fault_attr *attr)
int n, nr_entries;
bool found = (attr->require_start == 0 && attr->require_end == ULONG_MAX);
- if (depth == 0)
+ if (depth == 0 || (found && !attr->reject_start && !attr->reject_end))
return found;
nr_entries = stack_trace_save(entries, depth, 1);
--
2.34.1