* [PATCH] arm: mach-at91: add missing of_node_put
@ 2021-12-13 9:41 Qing Wang
2021-12-13 13:34 ` Nicolas Ferre
0 siblings, 1 reply; 2+ messages in thread
From: Qing Wang @ 2021-12-13 9:41 UTC (permalink / raw)
To: Russell King, Nicolas Ferre, Alexandre Belloni,
Ludovic Desroches, linux-arm-kernel, linux-kernel
Cc: Wang Qing
From: Wang Qing <wangqing@vivo.com>
Fix following coccicheck warning:
WARNING: Function "for_each_matching_node_and_match"
should have of_node_put() before return.
Early exits from for_each_matching_node_and_match should decrement the
node reference counter.
Signed-off-by: Wang Qing <wangqing@vivo.com>
---
arch/arm/mach-at91/pm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 8711d68..ca313fe
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -644,6 +644,7 @@ static __init int at91_dt_ramc(bool phy_mandatory)
soc_pm.data.ramc[idx] = of_iomap(np, 0);
if (!soc_pm.data.ramc[idx]) {
pr_err("unable to map ramc[%d] cpu registers\n", idx);
+ of_node_put(np);
ret = -ENOMEM;
goto unmap_ramc;
}
@@ -669,6 +670,7 @@ static __init int at91_dt_ramc(bool phy_mandatory)
soc_pm.data.ramc_phy = of_iomap(np, 0);
if (!soc_pm.data.ramc_phy) {
pr_err("unable to map ramc phy cpu registers\n");
+ of_node_put(np);
ret = -ENOMEM;
goto unmap_ramc;
}
--
2.7.4
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] arm: mach-at91: add missing of_node_put
2021-12-13 9:41 [PATCH] arm: mach-at91: add missing of_node_put Qing Wang
@ 2021-12-13 13:34 ` Nicolas Ferre
0 siblings, 0 replies; 2+ messages in thread
From: Nicolas Ferre @ 2021-12-13 13:34 UTC (permalink / raw)
To: Qing Wang, Russell King, Alexandre Belloni, Ludovic Desroches,
linux-arm-kernel, linux-kernel
On 13/12/2021 at 10:41, Qing Wang wrote:
> From: Wang Qing <wangqing@vivo.com>
>
> Fix following coccicheck warning:
> WARNING: Function "for_each_matching_node_and_match"
> should have of_node_put() before return.
>
> Early exits from for_each_matching_node_and_match should decrement the
> node reference counter.
>
> Signed-off-by: Wang Qing <wangqing@vivo.com>
Wang,
What's the difference between this patch and the one accepted here:
https://lore.kernel.org/all/20211014084555.21422-1-wanjiabing@vivo.com/
Regards,
Nicolas
> ---
> arch/arm/mach-at91/pm.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
> index 8711d68..ca313fe
> --- a/arch/arm/mach-at91/pm.c
> +++ b/arch/arm/mach-at91/pm.c
> @@ -644,6 +644,7 @@ static __init int at91_dt_ramc(bool phy_mandatory)
> soc_pm.data.ramc[idx] = of_iomap(np, 0);
> if (!soc_pm.data.ramc[idx]) {
> pr_err("unable to map ramc[%d] cpu registers\n", idx);
> + of_node_put(np);
> ret = -ENOMEM;
> goto unmap_ramc;
> }
> @@ -669,6 +670,7 @@ static __init int at91_dt_ramc(bool phy_mandatory)
> soc_pm.data.ramc_phy = of_iomap(np, 0);
> if (!soc_pm.data.ramc_phy) {
> pr_err("unable to map ramc phy cpu registers\n");
> + of_node_put(np);
> ret = -ENOMEM;
> goto unmap_ramc;
> }
> --
> 2.7.4
>
--
Nicolas Ferre
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