phy: qcom-ufs: Use devm sibling of kstrdup for regulator names

This helps us in avoiding any requirement for kfree() operation
to be called exclusively over the allocated string pointer.
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/phy/phy-qcom-ufs.c

@@ -251,7 +251,7 @@ static int __ufs_qcom_phy_init_vreg(struct phy *phy,
 
 	char prop_name[MAX_PROP_NAME];
 
-	vreg->name = kstrdup(name, GFP_KERNEL);
+	vreg->name = devm_kstrdup(dev, name, GFP_KERNEL);
 	if (!vreg->name) {
 		err = -ENOMEM;
 		goto out;
@@ -637,9 +637,6 @@ int ufs_qcom_phy_remove(struct phy *generic_phy,
 {
 	phy_power_off(generic_phy);
 
-	kfree(ufs_qcom_phy->vdda_pll.name);
-	kfree(ufs_qcom_phy->vdda_phy.name);
-
 	return 0;
 }
 EXPORT_SYMBOL_GPL(ufs_qcom_phy_remove);