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hw/net/tulip: Log descriptor overflows 

Log with GUEST_ERROR what the guest is doing wrong.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2020-04-24 01:16:43 +02:00 committed by Jason Wang
parent 171ce2e279
commit 97d7fb5a79
1 changed files with 6 additions and 0 deletions
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6
hw/net/tulip.c
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@ -578,6 +578,9 @@ static int tulip_copy_tx_buffers(TULIPState *s, struct tulip_descriptor *desc)
int len2 = (desc->control >> TDES1_BUF2_SIZE_SHIFT) & TDES1_BUF2_SIZE_MASK;
if (s->tx_frame_len + len1 > sizeof(s->tx_frame)) {
qemu_log_mask(LOG_GUEST_ERROR,
"%s: descriptor overflow (ofs: %u, len:%d, size:%zu)\n",
__func__, s->tx_frame_len, len1, sizeof(s->tx_frame));
return -1;
}
if (len1) {
@ -587,6 +590,9 @@ static int tulip_copy_tx_buffers(TULIPState *s, struct tulip_descriptor *desc)
}
if (s->tx_frame_len + len2 > sizeof(s->tx_frame)) {
qemu_log_mask(LOG_GUEST_ERROR,
"%s: descriptor overflow (ofs: %u, len:%d, size:%zu)\n",
__func__, s->tx_frame_len, len2, sizeof(s->tx_frame));
return -1;
}
if (len2) {