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author | Jason Wang <jasowang@redhat.com> | 2021-04-23 11:18:03 +0800 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2021-04-23 11:11:28 +0100 |
commit | bc38e31b4e0366f3a70c0939abde4c3dd6e0fa30 (patch) | |
tree | f8e330e2edb9005a327170cffa51cd0944673806 /net/tap-win32.c | |
parent | b1cffefa1b163bce9aebc3416f562c1d3886eeaa (diff) | |
download | qemu-bc38e31b4e0366f3a70c0939abde4c3dd6e0fa30.zip qemu-bc38e31b4e0366f3a70c0939abde4c3dd6e0fa30.tar.gz qemu-bc38e31b4e0366f3a70c0939abde4c3dd6e0fa30.tar.bz2 |
net: check the existence of peer before trying to pad
There could be case that peer is NULL. This can happen when during
network device hot-add where net device needs to be added first. So
the patch check the existence of peer before trying to do the pad.
Fixes: 969e50b61a285 ("net: Pad short frames to minimum size before sending from SLiRP/TAP")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Message-id: 20210423031803.1479-1-jasowang@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'net/tap-win32.c')
-rw-r--r-- | net/tap-win32.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/tap-win32.c b/net/tap-win32.c index 897bd18..6096972 100644 --- a/net/tap-win32.c +++ b/net/tap-win32.c @@ -696,7 +696,7 @@ static void tap_win32_send(void *opaque) if (size > 0) { orig_buf = buf; - if (!s->nc.peer->do_not_pad) { + if (net_peer_needs_padding(&s->nc)) { if (eth_pad_short_frame(min_pkt, &min_pktsz, buf, size)) { buf = min_pkt; size = min_pktsz; |