This was broken by the commit 
023ca58f1
"iwlwifi: Move the core suspend function to iwl-agn-lib"
where for some reason the code changed while moving,
from
	.len[0] = sizeof(*key_data.rsc_tsc),
to
	.len[0] = sizeof(key_data.rsc_tsc),
Cc: stable@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
                                .flags = CMD_SYNC,
                                .data[0] = key_data.rsc_tsc,
                                .dataflags[0] = IWL_HCMD_DFL_NOCOPY,
-                               .len[0] = sizeof(key_data.rsc_tsc),
+                               .len[0] = sizeof(*key_data.rsc_tsc),
                        };
 
                        ret = iwl_trans_send_cmd(trans(priv), &rsc_tsc_cmd);