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mfd: dln2: Fix memory leak in dln2_probe()
author
Qiang Ning
<qning0106@126.com>
Thu, 30 Mar 2023 02:43:53 +0000
(10:43 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Wed, 24 May 2023 16:32:42 +0000
(17:32 +0100)
[ Upstream commit
96da8f148396329ba769246cb8ceaa35f1ddfc48
]
When dln2_setup_rx_urbs() in dln2_probe() fails, error out_free forgets
to call usb_put_dev() to decrease the refcount of dln2->usb_dev.
Fix this by adding usb_put_dev() in the error handling code of
dln2_probe().
Signed-off-by: Qiang Ning <qning0106@126.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link:
https://lore.kernel.org/r/20230330024353.4503-1-qning0106@126.com
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
6cd0b0c
..
c314972
100644
(file)
--- a/
drivers/mfd/dln2.c
+++ b/
drivers/mfd/dln2.c
@@
-827,6
+827,7
@@
out_stop_rx:
dln2_stop_rx_urbs(dln2);
out_free:
+ usb_put_dev(dln2->usb_dev);
dln2_free(dln2);
return ret;