From: Dinghao Liu dinghao.liu@zju.edu.cn
stable inclusion from stable-v6.6.2 commit e7a7ffeb92240219e77a3044ddb9c4f64278a3e9 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 759c409bc5fc496cbc22cd0b392d3cbb0c0e23eb ]
The dln2_free() already contains usb_put_dev(). Therefore, the redundant usb_put_dev() before dln2_free() may lead to a double free.
Fixes: 96da8f148396 ("mfd: dln2: Fix memory leak in dln2_probe()") Signed-off-by: Dinghao Liu dinghao.liu@zju.edu.cn Link: https://lore.kernel.org/r/20230925024134.9683-1-dinghao.liu@zju.edu.cn Signed-off-by: Lee Jones lee@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/mfd/dln2.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c index c7510434380a..fbbe82c6e75b 100644 --- a/drivers/mfd/dln2.c +++ b/drivers/mfd/dln2.c @@ -826,7 +826,6 @@ static int dln2_probe(struct usb_interface *interface, dln2_stop_rx_urbs(dln2);
out_free: - usb_put_dev(dln2->usb_dev); dln2_free(dln2);
return ret;