Messages in this thread | | | Date | Mon, 13 Jun 2011 15:47:04 +0200 | From | Jan Kara <> | Subject | Re: [PATCH] ext3/ioctl.c: quite sparse warnings about different address spaces |
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On Fri 10-06-11 14:59:05, H Hartley Sweeten wrote: > The 'from' argument for copy_from_user and the 'to' argument for > copy_to_user should both be tagged as __user address space. > > Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> > Cc: Jan Kara <jack@suse.cz> > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: Andreas Dilger <adilger.kernel@dilger.ca> Thanks. Merged.
Honza > > --- > > diff --git a/fs/ext3/ioctl.c b/fs/ext3/ioctl.c > index f4090bd..c7f4394 100644 > --- a/fs/ext3/ioctl.c > +++ b/fs/ext3/ioctl.c > @@ -285,7 +285,7 @@ group_add_out: > if (!capable(CAP_SYS_ADMIN)) > return -EPERM; > > - if (copy_from_user(&range, (struct fstrim_range *)arg, > + if (copy_from_user(&range, (struct fstrim_range __user *)arg, > sizeof(range))) > return -EFAULT; > > @@ -293,7 +293,7 @@ group_add_out: > if (ret < 0) > return ret; > > - if (copy_to_user((struct fstrim_range *)arg, &range, > + if (copy_to_user((struct fstrim_range __user *)arg, &range, > sizeof(range))) > return -EFAULT; > -- Jan Kara <jack@suse.cz> SUSE Labs, CR
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