diff options
| author | Kangjie Lu <kjlu@umn.edu> | 2018-12-25 20:55:37 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-05 15:37:49 +0100 |
| commit | 3092e216b75397f09611a6d409476e5d7e8a75c2 (patch) | |
| tree | f03fa43607b9421c2b7318e3230444a0164f24bc | |
| parent | 212c573efd8ff7a4351675a35d6bc59e6c2a9f3d (diff) | |
net: (cpts) fix a missing check of clk_prepare
[ Upstream commit 2d822f2dbab7f4c820f72eb8570aacf3f35855bd ]
clk_prepare() could fail, so let's check its status, and if it fails,
return its error code upstream.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/ti/cpts.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c index e7b76f6b4f67..7d1281d81248 100644 --- a/drivers/net/ethernet/ti/cpts.c +++ b/drivers/net/ethernet/ti/cpts.c @@ -567,7 +567,9 @@ struct cpts *cpts_create(struct device *dev, void __iomem *regs, return ERR_PTR(PTR_ERR(cpts->refclk)); } - clk_prepare(cpts->refclk); + ret = clk_prepare(cpts->refclk); + if (ret) + return ERR_PTR(ret); cpts->cc.read = cpts_systim_read; cpts->cc.mask = CLOCKSOURCE_MASK(32); |