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| author | Ingo Molnar <mingo@kernel.org> | 2017-10-23 13:30:47 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-10-23 13:30:47 +0200 |
| commit | f95b23a112f1a31ea042483540cd907b58d23a5f (patch) | |
| tree | 3d41d2f8cf1d66ed593deb12f25a30d2905eb077 /drivers/net/tun.c | |
| parent | da20ab35180780e4a6eadc804544f1fa967f3567 (diff) | |
| parent | 58c3862b521ead4f69a24ef009a679cb3c519620 (diff) | |
| download | linux-f95b23a112f1a31ea042483540cd907b58d23a5f.tar.gz linux-f95b23a112f1a31ea042483540cd907b58d23a5f.tar.xz | |
Merge branch 'x86/urgent' into x86/asm, to pick up dependent fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/net/tun.c')
| -rw-r--r-- | drivers/net/tun.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 3c9985f29950..5ce580f413b9 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1496,11 +1496,13 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, switch (tun->flags & TUN_TYPE_MASK) { case IFF_TUN: if (tun->flags & IFF_NO_PI) { - switch (skb->data[0] & 0xf0) { - case 0x40: + u8 ip_version = skb->len ? (skb->data[0] >> 4) : 0; + + switch (ip_version) { + case 4: pi.proto = htons(ETH_P_IP); break; - case 0x60: + case 6: pi.proto = htons(ETH_P_IPV6); break; default: |