staging: lustre: o2iblnd: properly set ibr_why

For the case of when the connections supported fragment count
is smaller than what is supported locally only set ibr_why to
IBLND_REJECT_RDMA_FRAGS if the ko2iblnd protocol verison is
IBLND_MSG_VERSION.

Signed-off-by: Amir Shehata <[e-mail]>
Signed-off-by: James Simmons <[e-mail]>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7101
Reviewed-on: http://review.whamcloud.com/16367
Reviewed-by: Doug Oucharek <[e-mail]>
Reviewed-by: Olaf Weber <[e-mail]>
Reviewed-by: Oleg Drokin <[e-mail]>
Signed-off-by: James Simmons <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c

···
 		      reqmsg->ibm_u.connparams.ibcp_max_frags,
 		      kiblnd_rdma_frags(version, ni));
 
-		if (version >= IBLND_MSG_VERSION)
+		if (version == IBLND_MSG_VERSION)
 			rej.ibr_why = IBLND_REJECT_RDMA_FRAGS;
 
 		goto failed;