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usb: host: Fix refcount leak in ehci_hcd_ppc_of_probe

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[ Upstream commit b5c5b13cb4 ]

of_find_compatible_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.

Fixes: 796bcae736 ("USB: powerpc: Workaround for the PPC440EPX USBH_23 errata [take 3]")
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220602110849.58549-1-linmq006@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin
2022-06-02 15:08:49 +04:00
committed by Greg Kroah-Hartman
parent 474f12deaa
commit 585d22a562
1 changed files with 1 additions and 0 deletions
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1
drivers/usb/host/ehci-ppc-of.c
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@@ -148,6 +148,7 @@ static int ehci_hcd_ppc_of_probe(struct platform_device *op)
} else {
ehci->has_amcc_usb23 = 1;
}
of_node_put(np);
}
if (of_get_property(dn, "big-endian", NULL)) {