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| author | Arvind Yadav <arvind.yadav.cs@gmail.com> | 2017-06-12 14:15:14 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-13 11:48:24 +0300 |
| commit | 264ffb194a92df256b604d649faadfbd23a054e2 (patch) | |
| tree | 88ccc7793bc15e347803e5fc6da777b79d638e1a /drivers/usb/host/ehci-exynos.c | |
| parent | 7cf916bd639bd26db7214f2205bccdb4b9306256 (diff) | |
| download | linux-264ffb194a92df256b604d649faadfbd23a054e2.tar.xz | |
usb: host: ehci-exynos: Handle return value of clk_prepare_enable
clk_prepare_enable() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-exynos.c')
| -rw-r--r-- | drivers/usb/host/ehci-exynos.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c index 7a603f66a9bc..26b641100639 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) { |