drm/buddy: Modify duplicate list_splice_tail call

Remove the duplicate list_splice_tail call when the
total_allocated < size condition is true.

Cc: <[email protected]> # 6.7+
Fixes: 8746c6c ("drm/buddy: Fix alloc_range() error handling code")
Reported-by: Bert Karwatzki <[email protected]>
Signed-off-by: Arunpravin Paneer Selvam <[email protected]>
Reviewed-by: Matthew Auld <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Christian König <[email protected]>

Author: arunpravin24

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);
+
 	return 0;
 
 err_undo: