[PATCH 1/2] ARM: 9258/1: Fix callchain_trace() return value

From: Jinjie Ruan
Date: Mon Jun 17 2024 - 23:24:27 EST


perf_callchain_store() return 0 on success, -1 otherwise, fix
callchain_trace() to return correct bool value. So walk_stackframe() can
have a chance to stop walking the stack ahead.

Fixes: 70ccc7c0667b ("ARM: 9258/1: stacktrace: Make stack walk callback consistent with generic code")
Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
---
arch/arm/kernel/perf_callchain.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/kernel/perf_callchain.c b/arch/arm/kernel/perf_callchain.c
index 7147edbe56c6..1d230ac9d0eb 100644
--- a/arch/arm/kernel/perf_callchain.c
+++ b/arch/arm/kernel/perf_callchain.c
@@ -85,8 +85,7 @@ static bool
callchain_trace(void *data, unsigned long pc)
{
struct perf_callchain_entry_ctx *entry = data;
- perf_callchain_store(entry, pc);
- return true;
+ return perf_callchain_store(entry, pc) == 0;
}

void
--
2.34.1