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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2013-04-12 05:17:12 +0200
committerDavid S. Miller <davem@davemloft.net>2013-04-12 21:00:04 +0200
commit3be8fbab18fbc06b6ff94a56f9c225e29ea64a73 (patch)
treead979f12ea175f7f1faa0006a44dd8028a60a349
parentbe2net: take care of __vlan_put_tag return value (diff)
downloadlinux-3be8fbab18fbc06b6ff94a56f9c225e29ea64a73.tar.xz
linux-3be8fbab18fbc06b6ff94a56f9c225e29ea64a73.zip
tuntap: fix error return code in tun_set_iff()
Fix to return a negative error code from the error handling case instead of 0, as returned elsewhere in this function. [ Bug added in linux-3.8 , commit 4008e97f866db665 ("tuntap: fix ambigious multiqueue API") ] Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/tun.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index b7c457adc0dc..729ed533bb33 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1594,7 +1594,7 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
if (tun->flags & TUN_TAP_MQ &&
(tun->numqueues + tun->numdisabled > 1))
- return err;
+ return -EBUSY;
}
else {
char *name;