linux-kernel - [PATCH 3/4] riscv: __asm_copy_to-from_user: Remove unnecessary size check

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Date:   Tue, 20 Jul 2021 17:52:36 +0900
From:   Akira Tsukamoto <akira.tsukamoto@...il.com>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/4] riscv: __asm_copy_to-from_user: Remove unnecessary size
 check


Clean up:

The size of 0 will be evaluated in the next step. Not
required here.

Signed-off-by: Akira Tsukamoto <akira.tsukamoto@...il.com>
---
 arch/riscv/lib/uaccess.S | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/riscv/lib/uaccess.S b/arch/riscv/lib/uaccess.S
index 279876821969..54d497a03164 100644
--- a/arch/riscv/lib/uaccess.S
+++ b/arch/riscv/lib/uaccess.S
@@ -30,7 +30,6 @@ ENTRY(__asm_copy_from_user)
 	 * t0 - end of uncopied dst
 	 */
 	add	t0, a0, a2
-	bgtu	a0, t0, 5f
 
 	/*
 	 * Use byte copy only if too small.
-- 
2.17.1