hw/net/rtl8139.c: Don't use *_to_cpup()
Don't use *_to_cpup() to do byte-swapped loads; instead use ld*_p() which correctly handle misaligned accesses. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Acked-by: Jason Wang <jasowang@redhat.com> Acked-by: Dmitry Fleytman <dmitry@daynix.com <mailto:dmitry@daynix.com>> Message-id: 1466097446-981-3-git-send-email-peter.maydell@linaro.org
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@ -1013,8 +1013,8 @@ static ssize_t rtl8139_do_receive(NetClientState *nc, const uint8_t *buf, size_t
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uint32_t rx_space = rxdw0 & CP_RX_BUFFER_SIZE_MASK;
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/* write VLAN info to descriptor variables. */
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if (s->CpCmd & CPlusRxVLAN && be16_to_cpup((uint16_t *)
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&buf[ETH_ALEN * 2]) == ETH_P_VLAN) {
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if (s->CpCmd & CPlusRxVLAN &&
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lduw_be_p(&buf[ETH_ALEN * 2]) == ETH_P_VLAN) {
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dot1q_buf = &buf[ETH_ALEN * 2];
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size -= VLAN_HLEN;
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/* if too small buffer, use the tailroom added duing expansion */
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@ -1024,11 +1024,10 @@ static ssize_t rtl8139_do_receive(NetClientState *nc, const uint8_t *buf, size_t
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rxdw1 &= ~CP_RX_VLAN_TAG_MASK;
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/* BE + ~le_to_cpu()~ + cpu_to_le() = BE */
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rxdw1 |= CP_RX_TAVA | le16_to_cpup((uint16_t *)
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&dot1q_buf[ETHER_TYPE_LEN]);
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rxdw1 |= CP_RX_TAVA | lduw_le_p(&dot1q_buf[ETHER_TYPE_LEN]);
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DPRINTF("C+ Rx mode : extracted vlan tag with tci: ""%u\n",
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be16_to_cpup((uint16_t *)&dot1q_buf[ETHER_TYPE_LEN]));
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lduw_be_p(&dot1q_buf[ETHER_TYPE_LEN]));
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} else {
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/* reset VLAN tag flag */
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rxdw1 &= ~CP_RX_TAVA;
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