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etnaviv: drm: fix check if BO is on a deferred destroy list

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list_is_linked() isn't the right function to use in order to check if
the BO is on a cache bucket or the zombie list, as this checks if the
next pointer of the list isn't NULL. This is always the case with the
BO list item as it's always initialized, so the next pointer points to
the list head itself when the BO isn't on any list.

Use list_is_empty() to check if the BO is actually linked into one
of the deferred destroy lists.

Fixes: 1b1f8592c0 ("etnaviv: drm: properly handle reviving BOs via a lookup")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20940>
This commit is contained in:
Lucas Stach 2023-01-26 19:08:14 +01:00 • committed by Marge Bot
parent c59369005b
commit 196882a147
1 changed files with 2 additions and 2 deletions
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4
src/etnaviv/drm/etnaviv_bo.c
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@ -138,8 +138,8 @@ static struct etna_bo *lookup_bo(void *tbl, uint32_t handle)
/* found, incr refcnt and return: */
bo = etna_bo_ref(entry->data);
/* don't break the bucket if this bo was found in one */
if (list_is_linked(&bo->list)) {
/* don't break the bucket/zombie list if this bo was found in one */
if (!list_is_empty(&bo->list)) {
VG_BO_OBTAIN(bo);
etna_device_ref(bo->dev);
list_delinit(&bo->list);