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

[Manu Abraham <abraham.manu@gmail.com>]

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,

Manu

diff -Naurp linux-2.6.18.orig/drivers/media/dvb/bt8xx/dvb-bt8xx.c linux-2.6.18/drivers/media/dvb/bt8xx/dvb-bt8xx.c
--- linux-2.6.18.orig/drivers/media/dvb/bt8xx/dvb-bt8xx.c	2006-09-20 07:42:06.000000000 +0400
+++ linux-2.6.18/drivers/media/dvb/bt8xx/dvb-bt8xx.c	2006-10-10 15:02:28.000000000 +0400
@@ -666,6 +666,10 @@ 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("%s: Out of Memory !\n", __func__);
+			break;
+		}
 		/*	Setup the Card					*/
 		state->config = &dst_config;
 		state->i2c = card->i2c_adapter;