Jarod Wilson wrote:
> On Tue, May 04, 2010 at 06:06:41PM +0200, Dan Carpenter wrote:
>> On Tue, May 04, 2010 at 10:03:18AM -0400, Jarod Wilson wrote:
>>> @@ -1205,7 +1204,7 @@ static u32 imon_panel_key_lookup(u64 hw_code)
>>> if (imon_panel_key_table[i].hw_code == (code | 0xffee))
>>> break;
>>>
>>> - keycode = imon_panel_key_table[i % IMON_KEY_RELEASE_OFFSET].keycode;
>>> + keycode = imon_panel_key_table[i].keycode;
>>>
>>> return keycode;
>>> }
>> There is still potentially a problem here because if we don't hit the
>> break statement, then we're one past the end of the array.
>
> D'oh. Okay, here's v2, should fix that buglet too.
>
> This hack was used when the imon driver was using internal key lookup
> routines, but became dead weight when the driver was converted to use
> ir-core's key lookup routines. These bits simply didn't get removed,
> drop 'em now.
>
> Pointed out by Dan Carpenter.
>
> v2: fix possible attempt to access beyond end of key table array,
> also pointed out by Dan.
-ENOSOB
Please, add your SOB here ;)
>
> ---
> drivers/media/IR/imon.c | 12 ++++++------
> 1 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/media/IR/imon.c b/drivers/media/IR/imon.c
> index 27743eb..efe219a 100644
> --- a/drivers/media/IR/imon.c
> +++ b/drivers/media/IR/imon.c
> @@ -55,7 +55,6 @@
> #define BIT_DURATION 250 /* each bit received is 250us */
>
> #define IMON_CLOCK_ENABLE_PACKETS 2
> -#define IMON_KEY_RELEASE_OFFSET 1000
>
> /*** P R O T O T Y P E S ***/
>
> @@ -1199,13 +1198,14 @@ static u32 imon_panel_key_lookup(u64 hw_code)
> {
> int i;
> u64 code = be64_to_cpu(hw_code);
> - u32 keycode;
> + u32 keycode = KEY_RESERVED;
>
> - for (i = 0; i < ARRAY_SIZE(imon_panel_key_table); i++)
> - if (imon_panel_key_table[i].hw_code == (code | 0xffee))
> + for (i = 0; i < ARRAY_SIZE(imon_panel_key_table); i++) {
> + if (imon_panel_key_table[i].hw_code == (code | 0xffee)) {
> + keycode = imon_panel_key_table[i].keycode;
> break;
> -
> - keycode = imon_panel_key_table[i % IMON_KEY_RELEASE_OFFSET].keycode;
> + }
> + }
>
> return keycode;
> }
>
--
Cheers,
Mauro
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