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authorAdrian Bunk <bunk@kernel.org>2008-02-02 23:19:01 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-02-05 14:35:47 -0500
commit221c80cf03d77490b8e45184a273834d0259b9e0 (patch)
treece27a2ffbf4405be8e23884f5efe0ec693f812b1 /drivers/net/wireless/iwlwifi/iwl3945-base.c
parent8dd0100ce9511e52614ecd0a6587c13ce5769c8b (diff)
downloadblackbird-op-linux-221c80cf03d77490b8e45184a273834d0259b9e0.tar.gz
blackbird-op-linux-221c80cf03d77490b8e45184a273834d0259b9e0.zip
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.c8
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] = {
* 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 */
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