Commit 097479ae authored Mar 11, 2022 by Nikita Shubin Committed by Greg Kroah-Hartman Apr 15, 2022

riscv: Fix fill_callchain return value



commit 2b2b574ac587ec5bd7716a356492a85ab8b0ce9f upstream.

perf_callchain_store return 0 on success, -1 otherwise,
fix fill_callchain to return correct bool value.

Fixes: dbeb90b0 ("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>

parent c82cbbef

arch/riscv/kernel/perf_callchain.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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,