From: Jim Wilson <jimw@sifive.com>
Date: Mon, 11 Jun 2018 21:48:22 +0000 (-0700)
Subject: RISC-V: Fix PTRACE_SETREGSET bug.
X-Git-Tag: v4.19~667^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1db9b80980d26fe95c942e0bb8bde2ca715029ad;p=platform%2Fkernel%2Flinux-rpi.git

RISC-V: Fix PTRACE_SETREGSET bug.

In riscv_gpr_set, pass regs instead of &regs to user_regset_copyin to fix
gdb segfault.

Signed-off-by: Jim Wilson <jimw@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
---

diff --git a/arch/riscv/kernel/ptrace.c b/arch/riscv/kernel/ptrace.c
index ba3e807..9f82a7e 100644
--- a/arch/riscv/kernel/ptrace.c
+++ b/arch/riscv/kernel/ptrace.c
@@ -50,7 +50,7 @@ static int riscv_gpr_set(struct task_struct *target,
 	struct pt_regs *regs;
 
 	regs = task_pt_regs(target);
-	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &regs, 0, -1);
+	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, regs, 0, -1);
 	return ret;
 }