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usb: host: ohci-ppc-of: Fix refcount leak bug

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[ Upstream commit 40a959d7042bb7711e404ad2318b30e9f92c6b9b ]

In ohci_hcd_ppc_of_probe(), of_find_compatible_node() will return
a node pointer with refcount incremented. We should use of_node_put()
when it is not used anymore.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220617034637.4003115-1-windhl@126.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Liang He 2022-06-17 11:46:37 +08:00 committed by Greg Kroah-Hartman
parent 4bd8b3b68a
commit 403132881e
1 changed files with 1 additions and 0 deletions
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drivers/usb/host/ohci-ppc-of.c
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@ -166,6 +166,7 @@ static int ohci_hcd_ppc_of_probe(struct platform_device *op)
release_mem_region(res.start, 0x4);
} else
pr_debug("%s: cannot get ehci offset from fdt\n", __FILE__);
of_node_put(np);
}
irq_dispose_mapping(irq);