This is a note to let you know that I've just added the patch titled
drm/buddy: Modify duplicate list_splice_tail call
to the 6.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-buddy-modify-duplicate-list_splice_tail-call.patch
and it can be found in the queue-6.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 02f76a9cd4494719600baf1ab278930df39431ab Mon Sep 17 00:00:00 2001
From: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@xxxxxxx>
Date: Fri, 16 Feb 2024 15:30:48 +0530
Subject: drm/buddy: Modify duplicate list_splice_tail call
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From: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@xxxxxxx>
commit 02f76a9cd4494719600baf1ab278930df39431ab upstream.
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>
Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240216100048.4101-1-Arunpravin.PaneerSelvam@xxxxxxx
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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);
+
return 0;
err_undo:
--
2.44.0
Patches currently in stable-queue which might be from Arunpravin.PaneerSelvam@xxxxxxx are
queue-6.7/drm-buddy-modify-duplicate-list_splice_tail-call.patch
