atmel: potential underflow in atmel_set_freq()

[cascardo/linux.git] / drivers / net / wireless / atmel / atmel.c

diff --git a/drivers/net/wireless/atmel/atmel.c b/drivers/net/wireless/atmel/atmel.c
index 6a1f03c..bf2e9a0 100644 (file)
--- a/drivers/net/wireless/atmel/atmel.c
+++ b/drivers/net/wireless/atmel/atmel.c
@@ -2275,7 +2275,7 @@ static int atmel_set_freq(struct net_device *dev,
                fwrq->m = ieee80211_frequency_to_channel(f);
        }
        /* Setting by channel number */
-       if ((fwrq->m > 1000) || (fwrq->e > 0))
+       if (fwrq->m < 0 || fwrq->m > 1000 || fwrq->e > 0)
                rc = -EOPNOTSUPP;
        else {
                int channel = fwrq->m;
@@ -2434,7 +2434,7 @@ static int atmel_get_range(struct net_device *dev,
 
                        /* Values in MHz -> * 10^5 * 10 */
                        range->freq[k].m = 100000 *
-                        ieee80211_channel_to_frequency(i, IEEE80211_BAND_2GHZ);
+                        ieee80211_channel_to_frequency(i, NL80211_BAND_2GHZ);
                        range->freq[k++].e = 1;
                }
                range->num_frequency = k;