[PATCH v2 01/19] lib/stackdepot: check disabled flag when fetching

andrey.konovalov
2023-09-13T17:15:00Z

From: Andrey Konovalov <andreyknvl@google.com>

Do not try fetching a stack trace from the stack depot if the
stack_depot_disabled flag is enabled.

Reviewed-by: Alexander Potapenko <glider@google.com>
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
lib/stackdepot.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/stackdepot.c b/lib/stackdepot.c
index 2f5aa851834e..3a945c7206f3 100644
--- a/lib/stackdepot.c
+++ b/lib/stackdepot.c
@@ -477,7 +477,7 @@ unsigned int stack_depot_fetch(depot_stack_handle_t handle,
*/
kmsan_unpoison_memory(entries, sizeof(*entries));

- if (!handle)
+ if (!handle || stack_depot_disabled)
return 0;

if (parts.pool_index > pool_index_cached) {
--
2.25.1