Re: [PATCH -next] soc: aspeed-lpc-ctrl: Fix missing clk_disable_unprepare() on error in aspeed_lpc_ctrl_probe()

From: Yang Yingliang
Date: Tue Aug 24 2021 - 03:40:03 EST


Hi,

On 2021/8/24 12:52, Joel Stanley wrote:
On Mon, 23 Aug 2021 at 12:55, Yang Yingliang <yangyingliang@xxxxxxxxxx> wrote:
Fix the missing clk_disable_unprepare() before return
from aspeed_lpc_ctrl_probe() in the error handling case.

Fixes: 2f9b25fa6682 ("soc: aspeed: Re-enable FWH2AHB on AST2600")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
drivers/soc/aspeed/aspeed-lpc-ctrl.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/aspeed/aspeed-lpc-ctrl.c b/drivers/soc/aspeed/aspeed-lpc-ctrl.c
index 6893c5ec3259..f4c989584d6b 100644
--- a/drivers/soc/aspeed/aspeed-lpc-ctrl.c
+++ b/drivers/soc/aspeed/aspeed-lpc-ctrl.c
@@ -312,7 +312,8 @@ static int aspeed_lpc_ctrl_probe(struct platform_device *pdev)
lpc_ctrl->scu = syscon_regmap_lookup_by_compatible("aspeed,ast2600-scu");
if (IS_ERR(lpc_ctrl->scu)) {
dev_err(dev, "couldn't find scu\n");
- return PTR_ERR(lpc_ctrl->scu);
+ rc = PTR_ERR(lpc_ctrl->scu);
+ goto err;
Thanks for the patch. Alternatively, we could move this code above the
devm_clk_get/clk_prepare_enable. I would prefer that option, if you
want to send a v2.
I can send a v2.

Thanks,
Yang

Cheers,

Joel
.