Patch "Revert "Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work"" has been added to the 6.3-stable tree

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This is a note to let you know that I've just added the patch titled

    Revert "Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work"

to the 6.3-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:
     revert-bluetooth-btsdio-fix-use-after-free-bug-in-bt.patch
and it can be found in the queue-6.3 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 8a42c81b17fec5601047fb0946e8aa32322eba09
Author: Liu Jian <liujian56@xxxxxxxxxx>
Date:   Fri Apr 14 18:30:06 2023 +0800

    Revert "Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work"
    
    [ Upstream commit db2bf510bd5d57f064d9e1db395ed86a08320c54 ]
    
    This reverts commit 1e9ac114c4428fdb7ff4635b45d4f46017e8916f.
    
    This patch introduces a possible null-ptr-def problem. Revert it. And the
    fixed bug by this patch have resolved by commit 73f7b171b7c0 ("Bluetooth:
    btsdio: fix use after free bug in btsdio_remove due to race condition").
    
    Fixes: 1e9ac114c442 ("Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work")
    Signed-off-by: Liu Jian <liujian56@xxxxxxxxxx>
    Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c
index 51000320e1ea8..f19d31ee37ea8 100644
--- a/drivers/bluetooth/btsdio.c
+++ b/drivers/bluetooth/btsdio.c
@@ -354,7 +354,6 @@ static void btsdio_remove(struct sdio_func *func)
 
 	BT_DBG("func %p", func);
 
-	cancel_work_sync(&data->work);
 	if (!data)
 		return;
 



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