Re: [stable] [PATCH 2.6.19-rc1] drivers/media/dvb/bt8xx/dvb-bt8xx.c: check kmalloc() return value.

[Greg KH <greg@kroah.com>]

On Tue, Oct 10, 2006 at 03:18:58PM +0400, Manu Abraham wrote:
> Greg KH wrote:
> > On Mon, Oct 09, 2006 at 12:34:41PM +0400, Manu Abraham wrote:
> >> Amit Choudhary wrote:
> >>> Description: Check the return value of kmalloc() in function frontend_init(), in file drivers/media/dvb/bt8xx/dvb-bt8xx.c.
> >>>
> >>> Signed-off-by: Amit Choudhary <amit2030@gmail.com>
> >>>
> >>> diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
> >>> index fb6c4cc..14e69a7 100644
> >>> --- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c
> >>> +++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
> >>> @@ -665,6 +665,10 @@ static void frontend_init(struct dvb_bt8
> >>>  	case BTTV_BOARD_TWINHAN_DST:
> >>>  		/*	DST is not a frontend driver !!!		*/
> >>>  		state = (struct dst_state *) kmalloc(sizeof (struct dst_state), GFP_KERNEL);
> >>> +		if (!state) {
> >>> +			printk("dvb_bt8xx: No memory\n");
> >>> +			break;
> >>> +		}
> >>>  		/*	Setup the Card					*/
> >>>  		state->config = &dst_config;
> >>>  		state->i2c = card->i2c_adapter;
> >>> -
> >>
> >> Signed-off-by: Manu Abraham <manu@linuxtv.org>
> > 
> > Care to send the full patch in a format that we can apply it to the
> > -stable tree?
> > 
> 
> 
>  dvb-bt8xx.c |    4 ++++
>  1 files changed, 4 insertions(+)
> 
> 
> Thanks,

Um, can you resend it with the proper description and signed-off-by:
lines so that it can be applied correctly?

And does this solve a real bug, or is it just added error condition
checks?  If the latter, I don't think it's ok for -stable right now.

thanks,

greg k-h