On Fri, Dec 16, 2016 at 09:37:54AM +0900, Tsutomu Itoh wrote:
> On 2016/12/15 17:37, Qu Wenruo wrote:
> > Regression introduced by:
> > commit a2f7af94abe4a3491ca1280a2ae1d63edc0d62ab
> > Author: Prasanth K S R <prasanth.ksr@xxxxxxxx>
> > Date: Sat Dec 10 19:17:43 2016 +0530
> >
> > btrfs-progs: subvol_uuid_search: return error encoded pointer
> >
> > IS_ERR() will only check if it's an error code, won't check if it's
> > NULL.
> > And for all the caller the commit modifies, it can return NULL and makes
> > cause segfault.
> >
> > Fix it by introducing new IS_ERR_OR_NULL() macro, and for NULL pointer
> > and needs to return int case, convert NULL pointer to -ENOENT.
>
> This patch also passed xfstests btrfs/{108,109,117}. Thanks for your work.
Applied, thanks.
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