iwlwifi: iwl_mvm_tx_mpdu() must be called with BH disabled

As iwl_mvm_tx_mpdu() is not disabling BH while obtaining iwl_mvm_sta->lock
(which is being taken from BH context as well), it has to be always
invoked with BH disabled. Make that clear in a comment.

type=cleanup
ticket=none

Change-Id: I8056929da0be5774ab7abe93ed2f6db7227a5616
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-on: https://git-amr-3.devtools.intel.com/gerrit/218900
automatic-review: ec ger unix iil jenkins <EC.GER.UNIX.IIL.JENKINS@INTEL.COM>
Tested-by: ec ger unix iil jenkins <EC.GER.UNIX.IIL.JENKINS@INTEL.COM>
Reviewed-by: Coelho, Luciano <luciano.coelho@intel.com>
x-iwlwifi-stack-dev: fc62f17c8714faf4eb2883befc43c22408f0eda1
2 files changed