diff mbox series

[4.19,04/30] net: ethernet: ti: cpts: Handle error for clk_enable

Message ID 20220314112731.913713180@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

gregkh@linuxfoundation.org March 14, 2022, 11:34 a.m. UTC 
From: Jiasheng Jiang <jiasheng@iscas.ac.cn>

[ 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>
---
 drivers/net/ethernet/ti/cpts.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

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);