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iwlegacy: off by one in iwl3945_hw_build_tx_cmd_rate()

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We use "rate_index" like this:
	rate = iwl3945_rates[rate_index].plcp;
The iwl3945_rates[] array has IWL_RATE_COUNT_3945 elements so the
limit here is off by one.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Dan Carpenter 2011-12-23 08:13:42 +01:00 committed by John W. Linville
parent 2b20920d63
commit d71be93720
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/iwlegacy/3945.c
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@ -683,7 +683,7 @@ il3945_hw_build_tx_cmd_rate(struct il_priv *il, struct il_device_cmd *cmd,
struct ieee80211_hdr *hdr, int sta_id, int tx_id)
{
u16 hw_value = ieee80211_get_tx_rate(il->hw, info)->hw_value;
u16 rate_idx = min(hw_value & 0xffff, RATE_COUNT_3945);
u16 rate_idx = min(hw_value & 0xffff, RATE_COUNT_3945 - 1);
u16 rate_mask;
int rate;
u8 rts_retry_limit;