summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorKrzysztof Kozlowski <krzk@kernel.org>2017-01-07 10:41:40 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-05-14 13:32:56 +0200
commitce4b4650062a0045054dbe0a50c61dd6941cd7d1 (patch)
treec772bee04f6263370038dbd75d5cc3bda4d7f6de
parent1be497a1d022d5a37717076bd8566c141ecb8388 (diff)
usb: host: ehci-exynos: Decrese node refcount on exynos_ehci_get_phy() error paths
commit 3f6026b1dcb3c8ee71198c485a72ac674c6890dd 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>
-rw-r--r--drivers/usb/host/ehci-exynos.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index df538fd10aa4..46f5354c534d 100644
--- a/drivers/usb/host/ehci-exynos.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -77,10 +77,12 @@ static int exynos_ehci_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;
}
}