[PATCH] usb: host: ehci-exynos: Handle return value of clk_prepare_enable

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clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
 drivers/usb/host/ehci-exynos.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index 7a603f6..26b6411 100644
--- a/drivers/usb/host/ehci-exynos.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -279,7 +279,9 @@ static int exynos_ehci_resume(struct device *dev)
 	struct exynos_ehci_hcd *exynos_ehci = to_exynos_ehci(hcd);
 	int ret;
 
-	clk_prepare_enable(exynos_ehci->clk);
+	ret = clk_prepare_enable(exynos_ehci->clk);
+	if (ret)
+		return ret;
 
 	ret = exynos_ehci_phy_enable(dev);
 	if (ret) {
-- 
1.9.1

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