diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2011-09-15 18:46:40 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-09-19 19:58:29 (GMT) |
| commit | 1dd9124e2911b34744672c91ad865f39711f5542 (patch) | |
| tree | 97d7077a470232b128051f3763d71a16df3f622d | |
| parent | 403ba56aedf2b3092e12219188e5c248f04c5acc (diff) | |
| download | linux-fsl-qoriq-1dd9124e2911b34744672c91ad865f39711f5542.tar.xz | |
iwlagn: provide data after WARN_ON
From time to time, we hit a WARN_ON in iwl_mac_remove_interface.
This basically means that we got out of sync with mac80211: the vif
we hold differs from the vif 80211 passes as parameter. Try to get
some data that will help to debug this.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 0a426cb..ce8a015 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -1328,7 +1328,13 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw, mutex_lock(&priv->shrd->mutex); - WARN_ON(ctx->vif != vif); + if (WARN_ON(ctx->vif != vif)) { + struct iwl_rxon_context *tmp; + IWL_ERR(priv, "ctx->vif = %p, vif = %p\n", ctx->vif, vif); + for_each_context(priv, tmp) + IWL_ERR(priv, "\tID = %d:\tctx = %p\tctx->vif = %p\n", + tmp->ctxid, tmp, tmp->vif); + } ctx->vif = NULL; iwl_teardown_interface(priv, vif, false); |