[PATCH] ice: Add check for devm_kzalloc()

[Jiasheng Jiang]

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@xxxxxxxxx>
---
 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