Re: [PATCH 1/4] [media] em28xx: fix assignment of the eeprom data.

From: Hans Verkuil
Date: Fri Jul 26 2013 - 09:24:13 EST


Ouch. I'll take this for 3.11 and CC linux-stable for 3.10.

I'm amazed that this hasn't been discovered earlier.

Thanks!

Hans

On 07/17/2013 12:57 AM, Alban Browaeys wrote:
> Set the config structure pointer to the eeprom data pointer (data,
> here eedata dereferenced) not the pointer to the pointer to
> the eeprom data (eedata itself).
>
> Signed-off-by: Alban Browaeys <prahal@xxxxxxxxx>
> ---
> drivers/media/usb/em28xx/em28xx-i2c.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/usb/em28xx/em28xx-i2c.c b/drivers/media/usb/em28xx/em28xx-i2c.c
> index 4851cc2..c4ff973 100644
> --- a/drivers/media/usb/em28xx/em28xx-i2c.c
> +++ b/drivers/media/usb/em28xx/em28xx-i2c.c
> @@ -726,7 +726,7 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus,
>
> *eedata = data;
> *eedata_len = len;
> - dev_config = (void *)eedata;
> + dev_config = (void *)*eedata;
>
> switch (le16_to_cpu(dev_config->chip_conf) >> 4 & 0x3) {
> case 0:
>
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