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sh_eth: Fix crash or memory leak when resizing rings on device that is down
authorBen Hutchings <ben.hutchings@codethink.co.uk>
Thu, 22 Jan 2015 12:41:34 +0000 (12:41 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 27 Jan 2015 00:13:15 +0000 (16:13 -0800)
If the device is down then no packet buffers should be allocated.
We also must not touch its registers as it may be powered off.

Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/renesas/sh_eth.c patch | blob | history

diff --cc drivers/net/ethernet/renesas/sh_eth.c
Simple merge
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