diff options
Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r-- | drivers/net/tun.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index e2af2dd544f0..a3ac8636f3ba 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c | |||
@@ -1231,13 +1231,8 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, | |||
1231 | 1231 | ||
1232 | if (zerocopy) | 1232 | if (zerocopy) |
1233 | err = zerocopy_sg_from_iter(skb, from); | 1233 | err = zerocopy_sg_from_iter(skb, from); |
1234 | else { | 1234 | else |
1235 | err = skb_copy_datagram_from_iter(skb, 0, from, len); | 1235 | err = skb_copy_datagram_from_iter(skb, 0, from, len); |
1236 | if (!err && msg_control) { | ||
1237 | struct ubuf_info *uarg = msg_control; | ||
1238 | uarg->callback(uarg, false); | ||
1239 | } | ||
1240 | } | ||
1241 | 1236 | ||
1242 | if (err) { | 1237 | if (err) { |
1243 | this_cpu_inc(tun->pcpu_stats->rx_dropped); | 1238 | this_cpu_inc(tun->pcpu_stats->rx_dropped); |
@@ -1282,6 +1277,9 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, | |||
1282 | skb_shinfo(skb)->destructor_arg = msg_control; | 1277 | skb_shinfo(skb)->destructor_arg = msg_control; |
1283 | skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY; | 1278 | skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY; |
1284 | skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG; | 1279 | skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG; |
1280 | } else if (msg_control) { | ||
1281 | struct ubuf_info *uarg = msg_control; | ||
1282 | uarg->callback(uarg, false); | ||
1285 | } | 1283 | } |
1286 | 1284 | ||
1287 | skb_reset_network_header(skb); | 1285 | skb_reset_network_header(skb); |