Re: [PATCH] media: em28xx-cards: fix em28xx_duplicate_dev()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Dan,


On 2018-03-08 03:31, Dan Carpenter wrote:
> There is a double sizeof() typo here so we don't duplicate the struct
> properly.
>
> Fixes: be7fd3c3a8c5 ("media: em28xx: Hauppauge DualHD second tuner functionality")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
> index 6e8247849c4f..6e0e67d23876 100644
> --- a/drivers/media/usb/em28xx/em28xx-cards.c
> +++ b/drivers/media/usb/em28xx/em28xx-cards.c
> @@ -3515,7 +3515,7 @@ static int em28xx_duplicate_dev(struct em28xx *dev)
>  		dev->dev_next = NULL;
>  		return -ENOMEM;
>  	}
> -	memcpy(sec_dev, dev, sizeof(sizeof(*sec_dev)));
> +	memcpy(sec_dev, dev, sizeof(*sec_dev));
>  	/* Check to see next free device and mark as used */
>  	do {
>  		nr = find_first_zero_bit(em28xx_devused, EM28XX_MAXBOARDS);


Ouch, good catch. Strangely everything still worked in 64bit builds, and
I've had no reports of wonky behaviour elsewhere.

Cheers,

Brad


--
To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Kernel Development]     [Kernel Announce]     [Kernel Newbies]     [Linux Networking Development]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Device Mapper]

  Powered by Linux