rdma: use strings.Cut in Go 1.18

HeRaNO · HeRaNO · commit 9d7647ce3bae · 2025-11-26T14:41:30.000+08:00
Signed-off-by: Heran Yang &lt;heran55@126.com&gt;
diff --git a/cgroup1/rdma.go b/cgroup1/rdma.go
@@ -85,23 +85,26 @@ func parseRdmaKV(raw string, entry *v1.RdmaEntry) {
 	var value uint64
 	var err error
 
-	parts := strings.Split(raw, "=")
-	switch len(parts) {
-	case 2:
-		if parts[1] == "max" {
-			value = math.MaxUint32
-		} else {
-			value, err = parseUint(parts[1], 10, 32)
-			if err != nil {
-				return
-			}
-		}
-		if parts[0] == "hca_handle" {
-			entry.HcaHandles = uint32(value)
-		} else if parts[0] == "hca_object" {
-			entry.HcaObjects = uint32(value)
+	k, v, found := strings.Cut(raw, "=")
+	if !found {
+		return
+	}
+
+	if v == "max" {
+		value = math.MaxUint32
+	} else {
+		value, err = parseUint(v, 10, 32)
+		if err != nil {
+			return
 		}
 	}
+
+	switch k {
+	case "hca_handle":
+		entry.HcaHandles = uint32(value)
+	case "hca_object":
+		entry.HcaObjects = uint32(value)
+	}
 }
 
 func toRdmaEntry(strEntries []string) []*v1.RdmaEntry {
diff --git a/cgroup2/utils.go b/cgroup2/utils.go
@@ -387,23 +387,26 @@ func parseRdmaKV(raw string, entry *stats.RdmaEntry) {
 	var value uint64
 	var err error
 
-	parts := strings.Split(raw, "=")
-	switch len(parts) {
-	case 2:
-		if parts[1] == "max" {
-			value = math.MaxUint32
-		} else {
-			value, err = parseUint(parts[1], 10, 32)
-			if err != nil {
-				return
-			}
-		}
-		if parts[0] == "hca_handle" {
-			entry.HcaHandles = uint32(value)
-		} else if parts[0] == "hca_object" {
-			entry.HcaObjects = uint32(value)
+	k, v, found := strings.Cut(raw, "=")
+	if !found {
+		return
+	}
+
+	if v == "max" {
+		value = math.MaxUint32
+	} else {
+		value, err = parseUint(v, 10, 32)
+		if err != nil {
+			return
 		}
 	}
+
+	switch k {
+	case "hca_handle":
+		entry.HcaHandles = uint32(value)
+	case "hca_object":
+		entry.HcaObjects = uint32(value)
+	}
 }
 
 func toRdmaEntry(strEntries []string) []*stats.RdmaEntry {
