forked from alwin.berger/FRET-qemu

Commit ff71f2e8cacefae99179993204172bc65e4303df prevent the possible crash during initialization of linux driver by checking the operating mode.This seems too strict as: - the real card could still work in mode other than normal - some buggy driver who does not set correct opmode after eeprom access So, considering rx ring address were reset to zero (which could be safely trated as an address not intened to DMA to), in order to both letting old guest work and preventing the unexpected DMA to guest, we can forbid packet receiving when rx ring address is zero. Tested-by: Avi Kivity <avi@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Read the documentation in qemu-doc.html or on http://wiki.qemu.org - QEMU team
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