From: Liu Jian <liujian56@huawei.com>
Date: Fri, 14 Apr 2023 10:30:06 +0000 (+0800)
Subject: Revert "Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished... 
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=db2bf510bd5d57f064d9e1db395ed86a08320c54;p=linux.git

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

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@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---

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;