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mfd: dln2: Fix memory leak in dln2_probe()

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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
This commit is contained in:
Qiang Ning 2023-03-30 10:43:53 +08:00 committed by Lee Jones
parent 2405fbfb38
commit 96da8f1483
1 changed files with 1 additions and 0 deletions
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drivers/mfd/dln2.c
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@ -827,6 +827,7 @@ 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;