On 16/02/2024 10:00, Arunpravin Paneer Selvam wrote:
Remove the duplicate list_splice_tail call when the
total_allocated < size condition is true.
Cc: <stable@xxxxxxxxxxxxxxx> # 6.7+
Fixes: 8746c6c9dfa3 ("drm/buddy: Fix alloc_range() error handling code")
Reported-by: Bert Karwatzki <spasswolf@xxxxxx>
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@xxxxxxx>
---
drivers/gpu/drm/drm_buddy.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_buddy.c b/drivers/gpu/drm/drm_buddy.c
index c1a99bf4dffd..c4222b886db7 100644
--- a/drivers/gpu/drm/drm_buddy.c
+++ b/drivers/gpu/drm/drm_buddy.c
@@ -538,13 +538,13 @@ static int __alloc_range(struct drm_buddy *mm,
list_add(&block->left->tmp_link, dfs);
} while (1);
- list_splice_tail(&allocated, blocks);
-
if (total_allocated < size) {
err = -ENOSPC;
goto err_free;
}
+ list_splice_tail(&allocated, blocks);
Sigh. Can we extend the unit test(s) to catch this?
Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx>
+
return 0;
err_undo:
base-commit: a64056bb5a3215bd31c8ce17d609ba0f4d5c55ea
