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net: ethernet: ti: cpts: Handle error for clk_enable

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[ Upstream commit 6babfc6e6fab068018c36e8f6605184b8c0b349d ]

As the potential failure of the clk_enable(),
it should be better to check it and return error
if fails.

Fixes: 8a2c9a5ab4 ("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>
This commit is contained in:
Jiasheng Jiang 2022-03-08 14:40:07 +08:00 committed by Greg Kroah-Hartman
parent 8ee065a7a9
commit e84d37af40
1 changed files with 3 additions and 1 deletions

4
drivers/net/ethernet/ti/cpts.c
View File

@ -454,7 +454,9 @@ 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);