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ARM: 9406/1: Fix callchain_trace() return value

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[ Upstream commit 4e7b4ff2dcaed228cb2fb7bfe720262c98ec1bb9 ]

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: 70ccc7c066 ("ARM: 9258/1: stacktrace: Make stack walk callback consistent with generic code")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jinjie Ruan
2024-06-27 08:29:59 +01:00
committed by Greg Kroah-Hartman
parent f4675c8ee7
commit 181f9b5619
1 changed files with 1 additions and 2 deletions
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3
arch/arm/kernel/perf_callchain.c
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@@ -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