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>
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@ -43,7 +43,8 @@ static bool unwind_by_prologue(struct unwind_state *state)
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{
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{
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struct stack_info *info = &state->stack_info;
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struct stack_info *info = &state->stack_info;
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union loongarch_instruction *ip, *ip_end;
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union loongarch_instruction *ip, *ip_end;
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unsigned long frame_size = 0, frame_ra = -1;
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long frame_ra = -1;
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unsigned long frame_size = 0;
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unsigned long size, offset, pc = state->pc;
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unsigned long size, offset, pc = state->pc;
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if (state->sp >= info->end || state->sp < info->begin)
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if (state->sp >= info->end || state->sp < info->begin)
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