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path: root/drivers/net/tun.c
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-rw-r--r--drivers/net/tun.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 4b65fbcc490f..db43a2409733 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1881,6 +1881,9 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
case TUNGETIFF:
tun_get_iff(current->nsproxy->net_ns, tun, &ifr);
+ if (tfile->detached)
+ ifr.ifr_flags |= IFF_DETACH_QUEUE;
+
if (copy_to_user(argp, &ifr, ifreq_len))
ret = -EFAULT;
break;
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