diff options
author | Adrian Bunk <bunk@kernel.org> | 2008-02-02 16:19:01 -0500 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2008-02-05 14:35:47 -0500 |
commit | 221c80cf03d77490b8e45184a273834d0259b9e0 (patch) | |
tree | ce27a2ffbf4405be8e23884f5efe0ec693f812b1 /drivers/net/wireless/iwlwifi/iwl3945-base.c | |
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/iwlwifi/iwl3945-base.c')
-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 f55c75712b55..5ee1ad69898b 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] = { | |||
4207 | * Conversion assumes that levels are voltages (20*log), not powers (10*log). */ | 4207 | * Conversion assumes that levels are voltages (20*log), not powers (10*log). */ |
4208 | int iwl3945_calc_db_from_ratio(int sig_ratio) | 4208 | int iwl3945_calc_db_from_ratio(int sig_ratio) |
4209 | { | 4209 | { |
4210 | /* Anything above 1000:1 just report as 60 dB */ | 4210 | /* 1000:1 or higher just report as 60 dB */ |
4211 | if (sig_ratio > 1000) | 4211 | if (sig_ratio >= 1000) |
4212 | return 60; | 4212 | return 60; |
4213 | 4213 | ||
4214 | /* Above 100:1, divide by 10 and use table, | 4214 | /* 100:1 or higher, divide by 10 and use table, |
4215 | * add 20 dB to make up for divide by 10 */ | 4215 | * add 20 dB to make up for divide by 10 */ |
4216 | if (sig_ratio > 100) | 4216 | if (sig_ratio >= 100) |
4217 | return (20 + (int)ratio2dB[sig_ratio/10]); | 4217 | return (20 + (int)ratio2dB[sig_ratio/10]); |
4218 | 4218 | ||
4219 | /* We shouldn't see this */ | 4219 | /* We shouldn't see this */ |