Add check for the return value of devm_kzalloc() to guarantee the success
of allocation.

Fixes: 42c2eb6b1f43 ("ice: Implement devlink-rate API")
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
---
 drivers/net/ethernet/intel/ice/devlink/devlink.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/drivers/net/ethernet/intel/ice/devlink/devlink.c
index d116e2b10bce..dbdb83567364 100644
--- a/drivers/net/ethernet/intel/ice/devlink/devlink.c
+++ b/drivers/net/ethernet/intel/ice/devlink/devlink.c
@@ -981,6 +981,9 @@ static int ice_devlink_rate_node_new(struct devlink_rate *rate_node, void **priv
 
 	/* preallocate memory for ice_sched_node */
 	node = devm_kzalloc(ice_hw_to_dev(pi->hw), sizeof(*node), GFP_KERNEL);
+	if (!node)
+		return -ENOMEM;
+
 	*priv = node;
 
 	return 0;
-- 
2.25.1

On Fri, Jan 31, 2025 at 01:38:32AM +0000, Jiasheng Jiang wrote:
> Add check for the return value of devm_kzalloc() to guarantee the success
> of allocation.
> 
> Fixes: 42c2eb6b1f43 ("ice: Implement devlink-rate API")
> Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
> ---
>  drivers/net/ethernet/intel/ice/devlink/devlink.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/drivers/net/ethernet/intel/ice/devlink/devlink.c
> index d116e2b10bce..dbdb83567364 100644
> --- a/drivers/net/ethernet/intel/ice/devlink/devlink.c
> +++ b/drivers/net/ethernet/intel/ice/devlink/devlink.c
> @@ -981,6 +981,9 @@ static int ice_devlink_rate_node_new(struct devlink_rate *rate_node, void **priv
>  
>  	/* preallocate memory for ice_sched_node */
>  	node = devm_kzalloc(ice_hw_to_dev(pi->hw), sizeof(*node), GFP_KERNEL);
> +	if (!node)
> +		return -ENOMEM;
> +

Thanks for fixing:
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>

>  	*priv = node;
>  
>  	return 0;
> -- 
> 2.25.1