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Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index ad653b32b2f0..4c7f74904c25 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -3463,6 +3463,8 @@ static int tun_chr_open(struct inode *inode, struct file * file)
sock_set_flag(&tfile->sk, SOCK_ZEROCOPY);
+ /* tun groks IOCB_NOWAIT just fine, mark it as such */
+ file->f_mode |= FMODE_NOWAIT;
return 0;
}