On 15/03/22 1:49 pm, Paul Menzel wrote: > Dear Arunpravin, > > > Am 14.03.22 um 20:40 schrieb Arunpravin: >> handle a situation in the condition order-- == min_order, >> when order = 0, leading to order = -1, it now won't exit >> the loop. To avoid this problem, added a order check in >> the same condition, (i.e) when order is 0, we return >> -ENOSPC >> >> Signed-off-by: Arunpravin <Arunpravin.PaneerSelvam@xxxxxxx> > > Please use your full name. okay > >> --- >> drivers/gpu/drm/drm_buddy.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/gpu/drm/drm_buddy.c b/drivers/gpu/drm/drm_buddy.c >> index 72f52f293249..5ab66aaf2bbd 100644 >> --- a/drivers/gpu/drm/drm_buddy.c >> +++ b/drivers/gpu/drm/drm_buddy.c > > In what tree is that file? > drm-tip - https://cgit.freedesktop.org/drm-tip/tree/ drm-misc-next - https://cgit.freedesktop.org/drm/drm-misc/tree/ >> @@ -685,7 +685,7 @@ int drm_buddy_alloc_blocks(struct drm_buddy *mm, >> if (!IS_ERR(block)) >> break; >> >> - if (order-- == min_order) { >> + if (!order || order-- == min_order) { >> err = -ENOSPC; >> goto err_free; >> } > > Kind regards, > > Paul >