Re: [PATCH 1/2] md/raid0: Free r0conf memory when register integrity failed

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

 



On Fri, Dec 10, 2021 at 9:22 AM Guoqing Jiang <guoqing.jiang@xxxxxxxxx> wrote:
>
>
>
> On 12/10/21 2:02 AM, Song Liu wrote:
> > On Wed, Dec 8, 2021 at 9:55 PM Xiao Ni<xni@xxxxxxxxxx>  wrote:
> >> It doesn't free memory when register integrity failed. And move
> >> free conf codes into a single function.
> >>
> >> Signed-off-by: Xiao Ni<xni@xxxxxxxxxx>
> >> ---
> >>   drivers/md/raid0.c | 18 +++++++++++++++---
> >>   1 file changed, 15 insertions(+), 3 deletions(-)
> >>
> >> diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
> >> index 62c8b6adac70..3fa47df1c60e 100644
> >> --- a/drivers/md/raid0.c
> >> +++ b/drivers/md/raid0.c
> >> @@ -356,6 +356,7 @@ static sector_t raid0_size(struct mddev *mddev, sector_t sectors, int raid_disks
> >>          return array_sectors;
> >>   }
> >>
> >> +static void free_conf(struct r0conf *conf);
> >>   static void raid0_free(struct mddev *mddev, void *priv);
> >>
> >>   static int raid0_run(struct mddev *mddev)
> >> @@ -413,19 +414,30 @@ static int raid0_run(struct mddev *mddev)
> >>          dump_zones(mddev);
> >>
> >>          ret = md_integrity_register(mddev);
> >> +       if (ret)
> >> +               goto free;
> >>
> >>          return ret;
> >> +
> >> +free:
> >> +       free_conf(conf);
> > Can we just use raid0_free() here? Also, after freeing conf,
> > we should set mddev->private to NULL.
>
> Agree, like what raid1_run did. And we might need to check the
> return value of pers->run in level_store as well.

Hi Guoqing

By the way, you agree with using raid1_run here? I just replied to
Song in an email.
Could you have a look at it? I explained why I wrote a new function
free_conf here.




[Index of Archives]     [Linux RAID Wiki]     [ATA RAID]     [Linux SCSI Target Infrastructure]     [Linux Block]     [Linux IDE]     [Linux SCSI]     [Linux Hams]     [Device Mapper]     [Device Mapper Cryptographics]     [Kernel]     [Linux Admin]     [Linux Net]     [GFS]     [RPM]     [git]     [Yosemite Forum]


  Powered by Linux