From: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Date: Fri, 16 Feb 2024 10:00:48 +0000 (+0530)
Subject: drm/buddy: Modify duplicate list_splice_tail call
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=02f76a9cd4494719600baf1ab278930df39431ab;p=linux.git

drm/buddy: Modify duplicate list_splice_tail call

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

Cc: <stable@vger.kernel.org> # 6.7+
Fixes: 8746c6c9dfa3 ("drm/buddy: Fix alloc_range() error handling code")
Reported-by: Bert Karwatzki <spasswolf@web.de>
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240216100048.4101-1-Arunpravin.PaneerSelvam@amd.com
Signed-off-by: Christian König <christian.koenig@amd.com>
---

diff --git a/drivers/gpu/drm/drm_buddy.c b/drivers/gpu/drm/drm_buddy.c
index c1a99bf4dffd1..c4222b886db7c 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);
+
 	return 0;
 
 err_undo: