linux-kernel - [PATCH 5/6] avr32: need to reset ->restart

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Message-Id: <E1P0QOJ-0008Sx-0W@ZenIV.linux.org.uk>
Date:	Tue, 28 Sep 2010 03:58:03 +0100
From:	Al Viro <viro@....linux.org.uk>
To:	hans-christian.egtvedt@...el.com
Cc:	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org
Subject: [PATCH 5/6] avr32: need to reset ->restart_block.fn on sigreturn


Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 arch/avr32/kernel/signal.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c
index 7dbbec1..8e8f6ba 100644
--- a/arch/avr32/kernel/signal.c
+++ b/arch/avr32/kernel/signal.c
@@ -42,6 +42,9 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
 {
 	int err = 0;
 
+	/* Always make any pending restarted system calls return -EINTR */
+	current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
 #define COPY(x)		err |= __get_user(regs->x, &sc->x)
 	COPY(sr);
 	COPY(pc);
-- 
1.5.6.5


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