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net: mcf: check receive buffer size register value
authorPrasad J Pandit <[email protected]>
Mon, 28 Nov 2016 19:08:39 +0000 (00:38 +0530)
committerJason Wang <[email protected]>
Mon, 5 Dec 2016 09:45:14 +0000 (17:45 +0800)
commit77d54985b85a0cb760330ec2bd92505e0a2a97a9
treeeaf7e56b5d841ec16863a6ec33761dd555c9de55tree | snapshot
parentbd8ef5060dd2124a54578241da9a572faf7658ddcommit | diff
net: mcf: check receive buffer size register value

ColdFire Fast Ethernet Controller uses a receive buffer size
register(EMRBR) to hold maximum size of all receive buffers.
It is set by a user before any operation. If it was set to be
zero, ColdFire emulator would go into an infinite loop while
receiving data in mcf_fec_receive. Add check to avoid it.

Reported-by: Wjjzhang <[email protected]>
Signed-off-by: Prasad J Pandit <[email protected]>
Signed-off-by: Jason Wang <[email protected]>
hw/net/mcf_fec.c diff | blob | blame | history
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