openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Arvind Yadav 2017-06-12 16:45:14 +05:30 committed by Greg Kroah-Hartman
parent 7cf916bd63
commit 264ffb194a
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/usb/host/ehci-exynos.c
View File

@ -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) {