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| author | Kangjie Lu <kjlu@umn.edu> | 2018-12-25 20:55:37 -0600 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-12-27 16:20:23 -0800 |
| commit | 2d822f2dbab7f4c820f72eb8570aacf3f35855bd (patch) | |
| tree | 9835745e248a97c495b68870c69fe259df3ee740 | |
| parent | 26fd962bde0b15e54234fe762d86bc0349df1de4 (diff) | |
| download | linux-2d822f2dbab7f4c820f72eb8570aacf3f35855bd.tar.bz2 | |
net: (cpts) fix a missing check of clk_prepare
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>
| -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 054f78295d1d..2a9ba4acd7fa 100644 --- a/drivers/net/ethernet/ti/cpts.c +++ b/drivers/net/ethernet/ti/cpts.c @@ -590,7 +590,9 @@ 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); |