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| author | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-02-18 18:12:12 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-02-18 18:12:12 +0300 |
| commit | 5f09bc8cc4010a3ea17c5881a62fc45192ebe7b0 (patch) | |
| tree | c8e30ba4eaf357699ef97a786bf56661f4591be8 /drivers/net/vxlan.c | |
| parent | 6fd369dd1cb65a032f1ab9227033ecb7b759656d (diff) | |
| parent | a3b22b9f11d9fbc48b0291ea92259a5a810e9438 (diff) | |
| download | linux-5f09bc8cc4010a3ea17c5881a62fc45192ebe7b0.tar.xz | |
Merge tag 'v5.0-rc7' into patchwork
Linux 5.0-rc7
* tag 'v5.0-rc7': (1667 commits)
Linux 5.0-rc7
Input: elan_i2c - add ACPI ID for touchpad in Lenovo V330-15ISK
Input: st-keyscan - fix potential zalloc NULL dereference
Input: apanel - switch to using brightness_set_blocking()
powerpc/64s: Fix possible corruption on big endian due to pgd/pud_present()
efi/arm: Revert "Defer persistent reservations until after paging_init()"
arm64, mm, efi: Account for GICv3 LPI tables in static memblock reserve table
sunrpc: fix 4 more call sites that were using stack memory with a scatterlist
include/linux/module.h: copy __init/__exit attrs to init/cleanup_module
Compiler Attributes: add support for __copy (gcc >= 9)
lib/crc32.c: mark crc32_le_base/__crc32c_le_base aliases as __pure
auxdisplay: ht16k33: fix potential user-after-free on module unload
x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls
i2c: bcm2835: Clear current buffer pointers and counts after a transfer
i2c: cadence: Fix the hold bit setting
drm: Use array_size() when creating lease
dm thin: fix bug where bio that overwrites thin block ignores FUA
Revert "exec: load_script: don't blindly truncate shebang string"
Revert "gfs2: read journal in large chunks to locate the head"
net: ethernet: freescale: set FEC ethtool regs version
...
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/net/vxlan.c')
| -rw-r--r-- | drivers/net/vxlan.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 5209ee9aac47..2aae11feff0c 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2219,7 +2219,7 @@ static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan, struct pcpu_sw_netstats *tx_stats, *rx_stats; union vxlan_addr loopback; union vxlan_addr *remote_ip = &dst_vxlan->default_dst.remote_ip; - struct net_device *dev = skb->dev; + struct net_device *dev; int len = skb->len; tx_stats = this_cpu_ptr(src_vxlan->dev->tstats); @@ -2239,9 +2239,15 @@ static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan, #endif } + rcu_read_lock(); + dev = skb->dev; + if (unlikely(!(dev->flags & IFF_UP))) { + kfree_skb(skb); + goto drop; + } + if (dst_vxlan->cfg.flags & VXLAN_F_LEARN) - vxlan_snoop(skb->dev, &loopback, eth_hdr(skb)->h_source, 0, - vni); + vxlan_snoop(dev, &loopback, eth_hdr(skb)->h_source, 0, vni); u64_stats_update_begin(&tx_stats->syncp); tx_stats->tx_packets++; @@ -2254,8 +2260,10 @@ static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan, rx_stats->rx_bytes += len; u64_stats_update_end(&rx_stats->syncp); } else { +drop: dev->stats.rx_dropped++; } + rcu_read_unlock(); } static int encap_bypass_if_local(struct sk_buff *skb, struct net_device *dev, |