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iwlwifi: mvm: fix an overflow in iwl_mvm_get_signal_strength
authorEyal Shapira <eyal@wizery.com>
Tue, 12 Aug 2014 21:26:17 +0000 (00:26 +0300)
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Mon, 8 Sep 2014 16:47:22 +0000 (19:47 +0300)
commit2cddddc56a1179aa71b460ad616176c237d4a243
tree561e553def9c08cb629ecd051336e71d5c01fe05tree | snapshot
parent498abba6a0b2bc7ed0b57772d664a549dcabc4d7commit | diff
iwlwifi: mvm: fix an overflow in iwl_mvm_get_signal_strength

The idea here is to translate a value of 0 received from
the firmware to the lowest rssi figure. As rx_status->chain_signal
is a signed byte the lowest possible value is -128 and not -256.
-256 was causing 0 to get stored in the signed byte.

Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
drivers/net/wireless/iwlwifi/mvm/rx.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git