Re: [PATCH v3] clk: qcom: Fix error checking for devm_clk_hw_get_clk()

From: Christophe JAILLET
Date: Thu Aug 29 2024 - 13:08:45 EST


Le 27/08/2024 à 04:52, Yan Zhen a écrit :
The devm_clk_hw_get_clk() function returns error pointers.
It never returns NULL. Update the check accordingly.

Fixes: 8737ec830ee3 ("clk: qcom: common: Add interconnect clocks support")'
Signed-off-by: Yan Zhen <yanzhen@xxxxxxxx>
---

Changes in v3:
- Providing a "fixes" tag blaming the commit.

drivers/clk/qcom/common.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c
index 33cc1f73c69d..5a9e653916ea 100644
--- a/drivers/clk/qcom/common.c
+++ b/drivers/clk/qcom/common.c
@@ -273,8 +273,8 @@ static int qcom_cc_icc_register(struct device *dev,
icd[i].slave_id = desc->icc_hws[i].slave_id;
hws = &desc->clks[desc->icc_hws[i].clk_id]->hw;
icd[i].clk = devm_clk_hw_get_clk(dev, hws, "icc");
- if (!icd[i].clk)
- return dev_err_probe(dev, -ENOENT,
+ if (IS_ERR(icd[i].clk))
+ return dev_err_probe(dev, PTR_ERR(icd[i].clk),
"(%d) clock entry is null\n", i);

Nitpick: Maybe the message could be updated as-well?

CJ

icd[i].name = clk_hw_get_name(hws);
}