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authorKrzysztof Kozlowski <krzk@kernel.org>2017-01-07 10:41:41 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-05-14 13:32:56 +0200
commit5a5d676f4bc9fef2d8da3a1ee285474264957ace (patch)
tree449da2e6c5243db5cf68f1605dbf67e28e56bd56 /drivers/usb/host
parentce4b4650062a0045054dbe0a50c61dd6941cd7d1 (diff)
usb: host: ohci-exynos: Decrese node refcount on exynos_ehci_get_phy() error paths
commit 68bd6fc3cfa98ef253e17307ccafd8ef907b5556 upstream. Returning from for_each_available_child_of_node() loop requires cleaning up node refcount. Error paths lacked it so for example in case of deferred probe, the refcount of phy node was left increased. Fixes: 6d40500ac9b6 ("usb: ehci/ohci-exynos: Fix of_node_put() for child when getting PHYs") Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Alan Stern <stern@rowland.harvard.edu> Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/ohci-exynos.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c
index 2cd105be7319..6865b919403f 100644
--- a/drivers/usb/host/ohci-exynos.c
+++ b/drivers/usb/host/ohci-exynos.c
@@ -66,10 +66,12 @@ static int exynos_ohci_get_phy(struct device *dev,
if (IS_ERR(phy)) {
ret = PTR_ERR(phy);
if (ret == -EPROBE_DEFER) {
+ of_node_put(child);
return ret;
} else if (ret != -ENOSYS && ret != -ENODEV) {
dev_err(dev,
"Error retrieving usb2 phy: %d\n", ret);
+ of_node_put(child);
return ret;
}
}