diff options
| author | Adrian Bunk <bunk@kernel.org> | 2008-02-02 23:19:01 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-02-05 14:35:47 -0500 |
| commit | 221c80cf03d77490b8e45184a273834d0259b9e0 (patch) | |
| tree | ce27a2ffbf4405be8e23884f5efe0ec693f812b1 /drivers/net/wireless | |
| parent | 8dd0100ce9511e52614ecd0a6587c13ce5769c8b (diff) | |
iwl3945-base.c: fix off-by-one errors
This patch fixes two off-by-one errors resulting in array overflows
spotted by the Coverity checker.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index f55c75712b5..5ee1ad69898 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -4207,13 +4207,13 @@ static u8 ratio2dB[100] = { * Conversion assumes that levels are voltages (20*log), not powers (10*log). */ int iwl3945_calc_db_from_ratio(int sig_ratio) { - /* Anything above 1000:1 just report as 60 dB */ - if (sig_ratio > 1000) + /* 1000:1 or higher just report as 60 dB */ + if (sig_ratio >= 1000) return 60; - /* Above 100:1, divide by 10 and use table, + /* 100:1 or higher, divide by 10 and use table, * add 20 dB to make up for divide by 10 */ - if (sig_ratio > 100) + if (sig_ratio >= 100) return (20 + (int)ratio2dB[sig_ratio/10]); /* We shouldn't see this */ |