[ovs-git] Open vSwitch: nx-match: Correct writing of value and length in set_field_to_ofast() (branch-1.9)

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- Log -----------------------------------------------------------------
commit cadf201365b9e1e35001579a0020b26d3b605116
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=cadf201365b9e1e35001579a0020b26d3b605116
Author: Simon Horman <horms at verge.net.au>
		
nx-match: Correct writing of value and length in set_field_to_ofast()
		
ofpbuf_put_* may reallocate the underlying buffer of the ofpbuf and
thus writing data after a ofpbuf_put_* call must write to memory
relative to the pointer returned by the call.

Prior to this change the length and trailing value would not be written to
the set_field action if ofpbuf_put_* may reallocated the underlying buffer.

Also make use of ofpbuf_put_zero() to avoid calling memset() directly.

Tested-by: Simon Horman <horms at verge.net.au>
Signed-off-by: Simon Horman <horms at verge.net.au>
Signed-off-by: Ben Pfaff <blp at nicira.com>


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Summary of changes:
 lib/nx-match.c |   15 ++++++---------
 1 files changed, 6 insertions(+), 9 deletions(-)


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