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mac80211: remove some unused code

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There are a number of unused variables that gcc
pointed out (when building with W=1) as well as
some conditions that can never be true due to
the datatypes used: unsigned values can't be
less than zero. Remove this code.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2012-09-30 17:08:35 +02:00
parent 8ba7acf376
commit 444e38035e
4 changed files with 4 additions and 18 deletions
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11
net/mac80211/rx.c
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@@ -1384,9 +1384,7 @@ ieee80211_reassemble_add(struct ieee80211_sub_if_data *sdata,
struct sk_buff **skb)
{
struct ieee80211_fragment_entry *entry;
int idx;
idx = sdata->fragment_next;
entry = &sdata->fragments[sdata->fragment_next++];
if (sdata->fragment_next >= IEEE80211_FRAGMENT_MAX)
sdata->fragment_next = 0;
@@ -3010,8 +3008,7 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
WARN_ON_ONCE(softirq_count() == 0);
if (WARN_ON(status->band < 0 ||
status->band >= IEEE80211_NUM_BANDS))
if (WARN_ON(status->band >= IEEE80211_NUM_BANDS))
goto drop;
sband = local->hw.wiphy->bands[status->band];
@@ -3056,8 +3053,7 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
* hardware error. The driver should catch hardware
* errors.
*/
if (WARN((status->rate_idx < 0 ||
status->rate_idx > 76),
if (WARN(status->rate_idx > 76,
"Rate marked as an HT rate but passed "
"status->rate_idx is not "
"an MCS index [0-76]: %d (0x%02x)\n",
@@ -3065,8 +3061,7 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
status->rate_idx))
goto drop;
} else {
if (WARN_ON(status->rate_idx < 0 ||
status->rate_idx >= sband->n_bitrates))
if (WARN_ON(status->rate_idx >= sband->n_bitrates))
goto drop;
rate = &sband->bitrates[status->rate_idx];
}