diff mbox series

opp: Fix required-opps phandle array count check

Message ID 1632996548-11647-1-git-send-email-pkondeti@codeaurora.org (mailing list archive)
State New, archived
Delegated to: viresh kumar
Headers show
Series opp: Fix required-opps phandle array count check | expand

Commit Message

Pavan Kondeti Sept. 30, 2021, 10:09 a.m. UTC
The 'required-opps' property is optional. So of_count_phandle_with_args()
can return -ENOENT when queried for required-opps. Handle this case.

Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
---
 drivers/opp/of.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Viresh Kumar Oct. 4, 2021, 6:53 a.m. UTC | #1
On 30-09-21, 15:39, Pavankumar Kondeti wrote:
> The 'required-opps' property is optional. So of_count_phandle_with_args()
> can return -ENOENT when queried for required-opps. Handle this case.
> 
> Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
> ---
>  drivers/opp/of.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/opp/of.c b/drivers/opp/of.c
> index 2a97c65..5437085 100644
> --- a/drivers/opp/of.c
> +++ b/drivers/opp/of.c
> @@ -170,7 +170,7 @@ static void _opp_table_alloc_required_tables(struct opp_table *opp_table,
>  	}
>  
>  	count = of_count_phandle_with_args(np, "required-opps", NULL);
> -	if (!count)
> +	if (count <= 0)
>  		goto put_np;
>  
>  	required_opp_tables = kcalloc(count, sizeof(*required_opp_tables),

Applied. Thanks.
diff mbox series

Patch

diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index 2a97c65..5437085 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -170,7 +170,7 @@  static void _opp_table_alloc_required_tables(struct opp_table *opp_table,
 	}
 
 	count = of_count_phandle_with_args(np, "required-opps", NULL);
-	if (!count)
+	if (count <= 0)
 		goto put_np;
 
 	required_opp_tables = kcalloc(count, sizeof(*required_opp_tables),