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[4/5] hw/net/virtio-net.c: Don't use *_to_cpup()

Message ID 1466097446-981-5-git-send-email-peter.maydell@linaro.org
State New
Headers show

Commit Message

Peter Maydell June 16, 2016, 5:17 p.m. UTC 
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>
---
 hw/net/virtio-net.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 5798f87..7e6a60a 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1051,7 +1051,7 @@  static int receive_filter(VirtIONet *n, const uint8_t *buf, int size)
     ptr += n->host_hdr_len;
 
     if (!memcmp(&ptr[12], vlan, sizeof(vlan))) {
-        int vid = be16_to_cpup((uint16_t *)(ptr + 14)) & 0xfff;
+        int vid = lduw_be_p(ptr + 14) & 0xfff;
         if (!(n->vlans[vid >> 5] & (1U << (vid & 0x1f))))
             return 0;
     }