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LoongArch: Fix unsigned comparison with less than zero 

[ Upstream commit b96e74bb43 ]

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 <wangkailong@jari.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
KaiLong Wang 2022-11-21 19:02:57 +08:00 committed by Greg Kroah-Hartman
parent e887672ab1
commit 773494a9aa
1 changed files with 2 additions and 1 deletions
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3
arch/loongarch/kernel/unwind_prologue.c
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@ -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)