linux-kernel - [PATCH 4.19 248/287] nios2: restarts apply only to the first sigframe we build...

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Message-Id: <20220823080109.514944814@linuxfoundation.org>
Date:   Tue, 23 Aug 2022 10:26:57 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Al Viro <viro@...iv.linux.org.uk>,
        Dinh Nguyen <dinguyen@...nel.org>
Subject: [PATCH 4.19 248/287] nios2: restarts apply only to the first sigframe we build...

From: Al Viro <viro@...iv.linux.org.uk>

commit 411a76b7219555c55867466c82d70ce928d6c9e1 upstream.

Fixes: b53e906d255d ("nios2: Signal handling support")
Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
Signed-off-by: Dinh Nguyen <dinguyen@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/nios2/kernel/signal.c |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/nios2/kernel/signal.c
+++ b/arch/nios2/kernel/signal.c
@@ -261,6 +261,7 @@ static int do_signal(struct pt_regs *reg
 			regs->ea = restart_addr;
 			break;
 		}
+		regs->orig_r2 = -1;
 	}
 
 	if (get_signal(&ksig)) {