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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2012-06-07 11:23:06 (GMT)
committerJohannes Berg <johannes.berg@intel.com>2012-06-13 07:01:04 (GMT)
commit11741739391c2f03bbaba5349f868618fe63922f (patch)
tree2175eb84b753cc8999a774b0d92372d72b5cea8a
parent5bf9a89d9a2eaa136a23d872db4195ca8cada4c8 (diff)
downloadlinux-fsl-qoriq-11741739391c2f03bbaba5349f868618fe63922f.tar.xz
iwlwifi: comment that setting driver_data overrides info->control
Using the driver_data area in ieee80211_tx_info which resides in the CB overrides the info->control field. Add a comment to prevent mistakes. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/tx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index 0dfaf64..1f9457f 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -403,6 +403,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
info->driver_data[0] = ctx;
info->driver_data[1] = dev_cmd;
+ /* From now on, we cannot access info->control */
spin_lock(&priv->sta_lock);