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mfd: dln2: Fix double put in dln2_probe
author
Dinghao Liu
<dinghao.liu@zju.edu.cn>
Mon, 25 Sep 2023 02:41:33 +0000
(10:41 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Mon, 20 Nov 2023 10:59:24 +0000
(11:59 +0100)
[ 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>
drivers/mfd/dln2.c
patch
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diff --git
a/drivers/mfd/dln2.c
b/drivers/mfd/dln2.c
index
c751043
..
fbbe82c
100644
(file)
--- a/
drivers/mfd/dln2.c
+++ b/
drivers/mfd/dln2.c
@@
-826,7
+826,6
@@
out_stop_rx:
dln2_stop_rx_urbs(dln2);
out_free:
- usb_put_dev(dln2->usb_dev);
dln2_free(dln2);
return ret;