From: Kangjie Lu kjlu@umn.edu
[ 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 --- drivers/net/ethernet/ti/cpts.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c index b96b93c686bf1..4f644ac314fe8 100644 --- a/drivers/net/ethernet/ti/cpts.c +++ b/drivers/net/ethernet/ti/cpts.c @@ -572,7 +572,9 @@ struct cpts *cpts_create(struct device *dev, void __iomem *regs, return ERR_CAST(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);