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path: root/drivers/net/tun.c
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Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index d75456adc62a..973b2fc74de3 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1526,8 +1526,10 @@ static struct sk_buff *tun_alloc_skb(struct tun_file *tfile,
if (prepad + len < PAGE_SIZE || !linear)
linear = len;
+ if (len - linear > MAX_SKB_FRAGS * (PAGE_SIZE << PAGE_ALLOC_COSTLY_ORDER))
+ linear = len - MAX_SKB_FRAGS * (PAGE_SIZE << PAGE_ALLOC_COSTLY_ORDER);
skb = sock_alloc_send_pskb(sk, prepad + linear, len - linear, noblock,
- &err, 0);
+ &err, PAGE_ALLOC_COSTLY_ORDER);
if (!skb)
return ERR_PTR(err);
@@ -3469,7 +3471,7 @@ static int tun_chr_open(struct inode *inode, struct file * file)
tfile->socket.file = file;
tfile->socket.ops = &tun_socket_ops;
- sock_init_data_uid(&tfile->socket, &tfile->sk, inode->i_uid);
+ sock_init_data_uid(&tfile->socket, &tfile->sk, current_fsuid());
tfile->sk.sk_write_space = tun_sock_write_space;
tfile->sk.sk_sndbuf = INT_MAX;