forked from mirrors/nixpkgs
15 lines
555 B
Diff
15 lines
555 B
Diff
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diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
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index 439477b..33bd233 100644
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--- a/hw/net/virtio-net.c
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+++ b/hw/net/virtio-net.c
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<at> <at> -677,7 +677,7 <at> <at> static int virtio_net_handle_mac(VirtIONet *n, uint8_t cmd,
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goto error;
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}
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- if (in_use + mac_data.entries <= MAC_TABLE_ENTRIES) {
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+ if (mac_data.entries <= MAC_TABLE_ENTRIES - in_use) {
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s = iov_to_buf(iov, iov_cnt, 0, &macs[in_use * ETH_ALEN],
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mac_data.entries * ETH_ALEN);
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if (s != mac_data.entries * ETH_ALEN) {
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