On Wed, Feb 15, 2017 at 01:47:55PM +0100, walter harms wrote:
>
>
> Am 15.02.2017 13:25, schrieb Dan Carpenter:
> > We should free gdev[0] so the > should be >=.
> >
> > Fixes: 7b3ad5abf027 ("staging: Import the BCM2835 MMAL-based V4L2 camera driver.")
> > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> >
> > diff --git a/drivers/staging/media/platform/bcm2835/bcm2835-camera.c b/drivers/staging/media/platform/bcm2835/bcm2835-camera.c
> > index ca15a698e018..9bcd8e546a14 100644
> > --- a/drivers/staging/media/platform/bcm2835/bcm2835-camera.c
> > +++ b/drivers/staging/media/platform/bcm2835/bcm2835-camera.c
> > @@ -1998,7 +1998,7 @@ static int __init bm2835_mmal_init(void)
> > free_dev:
> > kfree(dev);
> >
> > - for ( ; camera > 0; camera--) {
> > + for ( ; camera >= 0; camera--) {
> > bcm2835_cleanup_instance(gdev[camera]);
> > gdev[camera] = NULL;
> > }
>
> since we already know that programmers are bad in counting backwards ...
>
> is is possible to change that into std. loop like:
>
> for(i=0, i< camera; i++ {
> bcm2835_cleanup_instance(gdev[i]);
> gdev[i] = NULL;
> }
>
> this is way a much more common pattern.
Hm... My patch is buggy. It frees the wong thing on the first
iteration through the loop. I'll resend.
regards,
dan carpenter
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