Re: [OPW kernel] [PATCH v9 1/2] Staging: zram: Fix access of NULL pointer

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On Sun, Nov 10, 2013 at 10:23 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Sun, Nov 10, 2013 at 10:10:52PM +0530, Rashika Kheria wrote:
>> On Sun, Nov 10, 2013 at 10:01 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>> > On Sun, Nov 10, 2013 at 09:42:32PM +0530, Rashika Kheria wrote:
>> >> This patch fixes the bug in reset_store caused by accessing NULL pointer.
>> >>
>> >> The bdev gets its value from bdget_disk() which could fail when memory
>> >> pressure is severe and hence can return NULL because allocation of
>> >> inode in bdget could fail.
>> >>
>> >> Hence, this patch introduces a check for bdev to prevent reference to a
>> >> NULL pointer in the later part of the code. It also removes unnecessary
>> >> check of bdev for fsync_bdev().
>> >>
>> >> Cc: stable@xxxxxxxxxxxxxxx
>> >> Acked-by: Jerome Marchand <jmarchan@xxxxxxxxxx>
>> >> Signed-off-by: Rashika Kheria <rashika.kheria@xxxxxxxxx>
>> >> ---
>> >>  drivers/staging/zram/zram_drv.c |    6 ++++--
>> >>  1 file changed, 4 insertions(+), 2 deletions(-)
>> >
>> > I'm still confused, what happened to patch 2/2?
>> >
>> > Can you just send me the patches, in an ordered series, of _all_ of the
>> > outstanding zram patches.  That way I know I got them all, as it is, I'm
>> > still not sure as it seems that I am missing some, and the v10 patch is
>> > not in any specific order.
>> >
>> > thanks,
>> >
>> > greg k-h
>> >
>>
>> Sorry for the confusion. But, you just have to apply v10 of this
>> series. The rest of the patches have already been applied.
>
> Then why did you sent the v9 1/2 patch?
>
> still confused...

It was wrong on my part. I overlooked that it was already applied.

Sorry,
-- 
Rashika Kheria
B.Tech CSE
IIIT Hyderabad
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