iwlwifi: fix possible NULL dereference in iwl_set_rate()
Signed-off-by: Saleem Abdulrasool <compnerd@compnerd.org>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 465da4f..5751c89 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2915,6 +2915,10 @@
int i;
hw = iwl_get_hw_mode(priv, priv->phymode);
+ if (!hw) {
+ IWL_ERROR("Failed to set rate: unable to get hw mode\n");
+ return;
+ }
priv->active_rate = 0;
priv->active_rate_basic = 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 9918780..0b22e01 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -3003,6 +3003,10 @@
int i;
hw = iwl_get_hw_mode(priv, priv->phymode);
+ if (!hw) {
+ IWL_ERROR("Failed to set rate: unable to get hw mode\n");
+ return;
+ }
priv->active_rate = 0;
priv->active_rate_basic = 0;