Messages in this thread Patch in this message | | | From | Wei Yongjun <> | Subject | [PATCH 2/4 -next] fault-injection: skip stacktrace filtering by default | Date | Wed, 17 Aug 2022 08:03:30 +0000 |
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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
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