From eac9e902658dab1e097b8ef064e9e3d16c152cc9 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Tue, 20 Jan 2009 10:59:05 +0000
Subject: [PATCH] tun: Use POLLERR not EBADF in tun_chr_poll

EBADF is meaningless in the context of a poll mask so use POLLERR
instead.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tun.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 20ef14dc5603..8743de9d2572 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -382,7 +382,7 @@ static unsigned int tun_chr_poll(struct file *file, poll_table * wait)
 	unsigned int mask = POLLOUT | POLLWRNORM;
 
 	if (!tun)
-		return -EBADFD;
+		return POLLERR;
 
 	DBG(KERN_INFO "%s: tun_chr_poll\n", tun->dev->name);
 
-- 
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