lib: sbi: sse: simplify 32bits overflow check

Rather than checking 32bits overflow with some absolute value, check the
value to be different from the cast itself.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reported-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>

diff --git a/lib/sbi/sbi_sse.c b/lib/sbi/sbi_sse.c
index 0f8b34767b8e48e0ac17c271482687bc0b402428..1b6048d852630bdc1af85114636c2cafc399f2af 100644 (file)
--- a/lib/sbi/sbi_sse.c
+++ b/lib/sbi/sbi_sse.c
@@ -344,7 +344,7 @@ static int sse_event_set_attr_check(struct sbi_sse_event *e, uint32_t attr_id,
                break;
        case SBI_SSE_ATTR_PRIO:
 #if __riscv_xlen > 32
-               if (val > 0xFFFFFFFFUL) {
+               if (val != (uint32_t)val) {
                        ret = SBI_EINVAL;
                        break;
                }