49 lines
1.5 KiB
Diff
49 lines
1.5 KiB
Diff
Bugzilla: 1046495
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Upstream-status: Sent for 3.14 http://marc.info/?l=linux-wireless&m=139453882510796&w=2
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From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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There is a flow in which we send the host command in SYNC
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mode, but we don't take priv->mutex.
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Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1046495
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Cc: <stable@vger.kernel.org>
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Reviewed-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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---
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drivers/net/wireless/iwlwifi/dvm/main.c | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c
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index ba1b1ea..ea7e70c 100644
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--- a/drivers/net/wireless/iwlwifi/dvm/main.c
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+++ b/drivers/net/wireless/iwlwifi/dvm/main.c
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@@ -252,13 +252,17 @@ static void iwl_bg_bt_runtime_config(struct work_struct *work)
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struct iwl_priv *priv =
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container_of(work, struct iwl_priv, bt_runtime_config);
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+ mutex_lock(&priv->mutex);
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if (test_bit(STATUS_EXIT_PENDING, &priv->status))
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- return;
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+ goto out;
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/* dont send host command if rf-kill is on */
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if (!iwl_is_ready_rf(priv))
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- return;
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+ goto out;
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+
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iwlagn_send_advance_bt_config(priv);
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+out:
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+ mutex_unlock(&priv->mutex);
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}
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static void iwl_bg_bt_full_concurrency(struct work_struct *work)
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--
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1.8.3.2
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--
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