Sean Hefty cb0f0910f4
[IB] ib_umad: various cleanups ...
Simplify user_mad.c code in a few places, and convert from kmalloc() +
memset() to kzalloc(). This also fixes a theoretical race window by
not accessing packet->length after posting the send buffer (the send
could complete and packet could be freed before we get to the return
statement at the end of ib_umad_write()).
Signed-off-by: Sean Hefty <sean.hefty@intel.com >
Signed-off-by: Roland Dreier <rolandd@cisco.com >
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