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Red Hat Bugzilla – Attachment 872691 Details for
Bug 1046495
[abrt] WARNING: CPU: 2 PID: 32267 at drivers/net/wireless/iwlwifi/pcie/tx.c:1501 iwl_trans_pcie_send_hcmd+0x575/0x5d0 [iwlwifi]()
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[patch]
fix
0001-iwlwifi-dvm-take-mutex-when-sending-SYNC-BT-config-c.patch (text/plain), 1.38 KB, created by
Emmanuel Grumbach
on 2014-03-10 13:27:03 UTC
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Description:
fix
Filename:
MIME Type:
Creator:
Emmanuel Grumbach
Created:
2014-03-10 13:27:03 UTC
Size:
1.38 KB
patch
obsolete
>From a60f6c37a8fe2ab63096b6292401e32f50570468 Mon Sep 17 00:00:00 2001 >From: Emmanuel Grumbach <emmanuel.grumbach@intel.com> >Date: Mon, 10 Mar 2014 15:22:03 +0200 >Subject: [PATCH] iwlwifi: dvm: take mutex when sending SYNC BT config command > >There is a flow in which we send the host command in SYNC >mode, but we don't take priv->mutex. > >Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1046495 > >Cc: <stable@vger.kernel.org> >Change-Id: Idf3b9409e15334009a9af902ac5ebb040fa17a02 >Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> >--- > drivers/net/wireless/iwlwifi/dvm/main.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > >diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c >index 4a9cc10..4c6c118 100644 >--- a/drivers/net/wireless/iwlwifi/dvm/main.c >+++ b/drivers/net/wireless/iwlwifi/dvm/main.c >@@ -252,13 +252,17 @@ static void iwl_bg_bt_runtime_config(struct work_struct *work) > struct iwl_priv *priv = > container_of(work, struct iwl_priv, bt_runtime_config); > >+ mutex_lock(&priv->mutex); > if (test_bit(STATUS_EXIT_PENDING, &priv->status)) >- return; >+ goto out; > > /* dont send host command if rf-kill is on */ > if (!iwl_is_ready_rf(priv)) >- return; >+ goto out; >+ > iwlagn_send_advance_bt_config(priv); >+out: >+ mutex_unlock(&priv->mutex); > } > > static void iwl_bg_bt_full_concurrency(struct work_struct *work) >-- >1.8.3.2 >
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bug 1046495
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