From: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Date: Tue, 8 Mar 2022 06:40:07 +0000 (+0800)
Subject: net: ethernet: ti: cpts: Handle error for clk_enable
X-Git-Tag: microblaze-v5.19~263^2~17
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=6babfc6e6fab068018c36e8f6605184b8c0b349d;p=linux-2.6-microblaze.git

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

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>
---

diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c
index dc70a6bfaa6a..92ca739fac01 100644
--- a/drivers/net/ethernet/ti/cpts.c
+++ b/drivers/net/ethernet/ti/cpts.c
@@ -568,7 +568,9 @@ 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);