From 773494a9aab439e3fa56223bf53ac8de6cb2e585 Mon Sep 17 00:00:00 2001 From: KaiLong Wang Date: Mon, 21 Nov 2022 19:02:57 +0800 Subject: [PATCH] LoongArch: Fix unsigned comparison with less than zero [ Upstream commit b96e74bb439f096168c78ba3ba1599e0b85cfd73 ] Eliminate the following coccicheck warning: ./arch/loongarch/kernel/unwind_prologue.c:84:5-13: WARNING: Unsigned expression compared with zero: frame_ra < 0 Signed-off-by: KaiLong Wang Signed-off-by: Huacai Chen Signed-off-by: Sasha Levin --- arch/loongarch/kernel/unwind_prologue.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/loongarch/kernel/unwind_prologue.c b/arch/loongarch/kernel/unwind_prologue.c index b206d9159205..4571c3c87cd4 100644 --- a/arch/loongarch/kernel/unwind_prologue.c +++ b/arch/loongarch/kernel/unwind_prologue.c @@ -43,7 +43,8 @@ static bool unwind_by_prologue(struct unwind_state *state) { struct stack_info *info = &state->stack_info; union loongarch_instruction *ip, *ip_end; - unsigned long frame_size = 0, frame_ra = -1; + long frame_ra = -1; + unsigned long frame_size = 0; unsigned long size, offset, pc = state->pc; if (state->sp >= info->end || state->sp < info->begin)