From: Nikita Shubin n.shubin@yadro.com
stable inclusion from stable-v5.10.110 commit 24b9b8e95ca1bc87e055cf3ee4f8c502c10ef938 bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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commit 2b2b574ac587ec5bd7716a356492a85ab8b0ce9f upstream.
perf_callchain_store return 0 on success, -1 otherwise, fix fill_callchain to return correct bool value.
Fixes: dbeb90b0c1eb ("riscv: Add perf callchain support") Signed-off-by: Nikita Shubin n.shubin@yadro.com Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt palmer@rivosinc.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Yu Liao liaoyu15@huawei.com Reviewed-by: Wei Li liwei391@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- arch/riscv/kernel/perf_callchain.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/kernel/perf_callchain.c b/arch/riscv/kernel/perf_callchain.c index ad3001cbdf61..20af8ecbb7e4 100644 --- a/arch/riscv/kernel/perf_callchain.c +++ b/arch/riscv/kernel/perf_callchain.c @@ -77,7 +77,7 @@ void perf_callchain_user(struct perf_callchain_entry_ctx *entry,
bool fill_callchain(unsigned long pc, void *entry) { - return perf_callchain_store(entry, pc); + return perf_callchain_store(entry, pc) == 0; }
void notrace walk_stackframe(struct task_struct *task,