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| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2022-03-08 14:40:07 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-03-16 13:20:26 +0100 |
| commit | 62434a569629ec379b62a25eb70228628be44bf4 (patch) | |
| tree | e4686b6c14ca4a595f07c4d3a5425aa5ee767fad | |
| parent | 8609e29611befc4bfbe7a91bb50fc65ae72ff549 (diff) | |
| download | linux-stable-62434a569629ec379b62a25eb70228628be44bf4.tar.gz linux-stable-62434a569629ec379b62a25eb70228628be44bf4.tar.bz2 linux-stable-62434a569629ec379b62a25eb70228628be44bf4.zip | |
net: ethernet: ti: cpts: Handle error for clk_enable
[ Upstream commit 6babfc6e6fab068018c36e8f6605184b8c0b349d ]
As the potential failure of the clk_enable(),
it should be better to check it and return error
if fails.
Fixes: 8a2c9a5ab4b9 ("net: ethernet: ti: cpts: rework initialization/deinitialization")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
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 10b301e79086..01cc92f6a1f8 100644 --- a/drivers/net/ethernet/ti/cpts.c +++ b/drivers/net/ethernet/ti/cpts.c @@ -445,7 +445,9 @@ int cpts_register(struct cpts *cpts) for (i = 0; i < CPTS_MAX_EVENTS; i++) list_add(&cpts->pool_data[i].list, &cpts->pool); - clk_enable(cpts->refclk); + err = clk_enable(cpts->refclk); + if (err) + return err; cpts_write32(cpts, CPTS_EN, control); cpts_write32(cpts, TS_PEND_EN, int_enable); |