From 0ff148182c6627419afc9811ea6bb3d2a4e44fe8 Mon Sep 17 00:00:00 2001
From: Ubuntu <ubuntu@ip-172-31-20-6.us-west-1.compute.internal>
Date: Sat, 14 Dec 2019 00:16:42 +0000
Subject: [PATCH] cppcheck: (error) Shifting signed 64-bit value by 63 bits

As of cppcheck 1.82 surpress the warning regarding shifting too many
bits for __divdi3() implemention.  The algorithm used here is correct.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9732
---
 module/spl/spl-generic.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/module/spl/spl-generic.c b/module/spl/spl-generic.c
index c90ea81f29ee..92f059a90549 100644
--- a/module/spl/spl-generic.c
+++ b/module/spl/spl-generic.c
@@ -273,7 +273,9 @@ int64_t
 __divdi3(int64_t u, int64_t v)
 {
 	int64_t q, t;
+	// cppcheck-suppress shiftTooManyBitsSigned
 	q = __udivdi3(abs64(u), abs64(v));
+	// cppcheck-suppress shiftTooManyBitsSigned
 	t = (u ^ v) >> 63;	// If u, v have different
 	return ((q ^ t) - t);	// signs, negate q.
 }