[PATCH] clk: stm32mp1: Fix a memory leak in 'clk_stm32_register_gate_ops()'

[PATCH] clk: stm32mp1: Fix a memory leak in 'clk_stm32_register_gate_ops()'

[Christophe JAILLET]

We allocate some memory which is neither used, nor referenced by anything.
So axe it.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
This patch as not been compile-tested, I don't have the corresponding arch
and have not taken time to cross-compile it.
---
 drivers/clk/clk-stm32mp1.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c
index edd3cf451401..dfb9cb5bd0c4 100644
--- a/drivers/clk/clk-stm32mp1.c
+++ b/drivers/clk/clk-stm32mp1.c
@@ -579,14 +579,9 @@ clk_stm32_register_gate_ops(struct device *dev,
 			    spinlock_t *lock)
 {
 	struct clk_init_data init = { NULL };
-	struct clk_gate *gate;
 	struct clk_hw *hw;
 	int ret;
 
-	gate = kzalloc(sizeof(*gate), GFP_KERNEL);
-	if (!gate)
-		return ERR_PTR(-ENOMEM);
-
 	init.name = name;
 	init.parent_names = &parent_name;
 	init.num_parents = 1;
@@ -604,10 +599,8 @@ clk_stm32_register_gate_ops(struct device *dev,
 	hw->init = &init;
 
 	ret = clk_hw_register(dev, hw);
-	if (ret) {
-		kfree(gate);
+	if (ret)
 		hw = ERR_PTR(ret);
-	}
 
 	return hw;
 }
-- 
2.17.0

clk: stm32mp1: Fix a memory leak in 'clk_stm32_register_gate_ops()'

[Gabriel FERNANDEZ]

Hi Christophe,

Many thanks !

Acked-by: Gabriel Fernandez <gabriel.fernandez@st.com>


On 05/13/2018 01:17 PM, Christophe Jaillet wrote:
> We allocate some memory which is neither used, nor referenced by anything.
> So axe it.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> This patch as not been compile-tested, I don't have the corresponding arch
> and have not taken time to cross-compile it.
> ---
>   drivers/clk/clk-stm32mp1.c | 9 +--------
>   1 file changed, 1 insertion(+), 8 deletions(-)
>
> diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c
> index edd3cf451401..dfb9cb5bd0c4 100644
> --- a/drivers/clk/clk-stm32mp1.c
> +++ b/drivers/clk/clk-stm32mp1.c
> @@ -579,14 +579,9 @@ clk_stm32_register_gate_ops(struct device *dev,
>   			    spinlock_t *lock)
>   {
>   	struct clk_init_data init = { NULL };
> -	struct clk_gate *gate;
>   	struct clk_hw *hw;
>   	int ret;
>   
> -	gate = kzalloc(sizeof(*gate), GFP_KERNEL);
> -	if (!gate)
> -		return ERR_PTR(-ENOMEM);
> -
>   	init.name = name;
>   	init.parent_names = &parent_name;
>   	init.num_parents = 1;
> @@ -604,10 +599,8 @@ clk_stm32_register_gate_ops(struct device *dev,
>   	hw->init = &init;
>   
>   	ret = clk_hw_register(dev, hw);
> -	if (ret) {
> -		kfree(gate);
> +	if (ret)
>   		hw = ERR_PTR(ret);
> -	}
>   
>   	return hw;
>   }

[PATCH] clk: stm32mp1: Fix a memory leak in 'clk_stm32_register_gate_ops()'

[Stephen Boyd]

Quoting Christophe JAILLET (2018-05-13 04:17:04)
> We allocate some memory which is neither used, nor referenced by anything.
> So axe it.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---

Applied to clk-next