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iwlwifi: transport's tx_agg_disable must be atomic

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At least as long as it is called from the reclaim
flow (iwlagn_check_ratid_empty) it must be atomic.

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>
This commit is contained in:
Johannes Berg 2012-03-07 09:52:17 -08:00 committed by John W. Linville
parent e755f882b7
commit b0b4619273
1 changed files with 1 additions and 3 deletions
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4
drivers/net/wireless/iwlwifi/iwl-trans.h
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@ -306,7 +306,7 @@ static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r)
* ready and a successful ADDBA response has been received.
* May sleep
* @tx_agg_disable: de-configure a Tx queue to send AMPDUs
* May sleep
* Must be atomic
* @free: release all the ressource for the transport layer itself such as
* irq, tasklet etc... From this point on, the device may not issue
* any interrupt (incl. RFKILL).
@ -497,8 +497,6 @@ static inline int iwl_trans_reclaim(struct iwl_trans *trans, int sta_id,
static inline int iwl_trans_tx_agg_disable(struct iwl_trans *trans,
int sta_id, int tid)
{
might_sleep();
if (trans->state != IWL_TRANS_FW_ALIVE)
IWL_ERR(trans, "%s bad state = %d", __func__, trans->state);