wireless: iwlwifi: iwl-scan.c: Fix build warning

Fix the following build warning:

drivers/net/wireless/iwlwifi/iwl-scan.c: In function ‘iwlagn_request_scan’:
drivers/net/wireless/iwlwifi/iwl-scan.c:572: warning: ‘cmd_len’ may be used uninitialized in this function

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 084aa2c..a645472 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -569,7 +569,7 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
        struct iwl_scan_cmd *scan;
        struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
        u32 rate_flags = 0;
-       u16 cmd_len;
+       u16 cmd_len = 0;
        u16 rx_chain = 0;
        enum ieee80211_band band;
        u8 n_probes = 0;