[PATCH] riscv: traps_misaligned: properly sign extend value in misaligned load handler

Andreas Schwab schwab at suse.de
Thu Jul 10 06:32:18 PDT 2025


Add missing cast to signed long.

Signed-off-by: Andreas Schwab <schwab at suse.de>
---
 arch/riscv/kernel/traps_misaligned.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c
index 93043924fe6c..f760e4fcc052 100644
--- a/arch/riscv/kernel/traps_misaligned.c
+++ b/arch/riscv/kernel/traps_misaligned.c
@@ -461,7 +461,7 @@ static int handle_scalar_misaligned_load(struct pt_regs *regs)
 	}
 
 	if (!fp)
-		SET_RD(insn, regs, val.data_ulong << shift >> shift);
+		SET_RD(insn, regs, (long)(val.data_ulong << shift) >> shift);
 	else if (len == 8)
 		set_f64_rd(insn, regs, val.data_u64);
 	else
-- 
2.50.0


-- 
Andreas Schwab, SUSE Labs, schwab at suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
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