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| author | Johannes Berg <johannes.berg@intel.com> | 2010-11-10 18:25:47 -0800 |
|---|---|---|
| committer | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2010-11-16 07:46:26 -0800 |
| commit | 893654de3ff41a4f5037397d06a3f853bbbb3484 (patch) | |
| tree | 6e62ecab2088147a30e948c12017d9b318509653 | |
| parent | cfa1da7e9133be9280990b2a64fa7696924c8d9a (diff) | |
| download | linux-3.10-893654de3ff41a4f5037397d06a3f853bbbb3484.tar.gz linux-3.10-893654de3ff41a4f5037397d06a3f853bbbb3484.tar.bz2 linux-3.10-893654de3ff41a4f5037397d06a3f853bbbb3484.zip | |
iwlagn: avoid crash if vif is not assigned
For reasons that aren't entirely clear to me,
we sometimes get here during hardware reset
without the interface being set. Don't crash,
but keep a warning.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-rxon.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c index 2d927a94074..fbaa8d29365 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -507,6 +507,11 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, mutex_lock(&priv->mutex); + if (WARN_ON(!ctx->vif)) { + mutex_unlock(&priv->mutex); + return; + } + if (changes & BSS_CHANGED_BEACON_INT) force = true; |