iwlwifi: pcie: use u32* argument to iwl_trans_get_fw_monitor_len()

That's what we pass, and we don't want/need any negative values.
Found by sparse/smatch.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg 2018-11-09 10:58:53 +01:00 • committed by Luca Coelho
commit 93079fd5c0