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authorGuo-Fu Tseng <cooldavid@cooldavid.org>2010-10-18 14:10:42 +0000
committerDavid S. Miller <davem@davemloft.net>2010-10-21 03:52:10 -0700
commitea192aa89c3b26d56113e70c72238f6951d4097f (patch)
treead9da86028bcbfcea07be56be4a3ab2df4470b01 /drivers/net/jme.h
parent3ee94018a9f49ca98e3f77f54a769c784115dbb8 (diff)
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jme: Prevent possible read re-order error
Adding read memory barrier in between flag reading and data reading of receive descriptors. This prevents the data being read before hardware complete writing informations. Reported-by: Stefan Hajnoczi <stefanha@gmail.com> Signed-off-by: Guo-Fu Tseng <cooldavid@cooldavid.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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