fix rdma_cm device not found on no-privileged

BSWANG · BSWANG · commit ffb3cd17eac3 · 2025-05-15T15:58:28.000+08:00
Signed-off-by: bingshen.wbs &lt;bingshen.wbs@alibaba-inc.com&gt;
diff --git a/internal/deviceplugin/deviceplugin.go b/internal/deviceplugin/deviceplugin.go
@@ -57,7 +57,7 @@ func NewERDMADevicePlugin(devices []*types.ERdmaDeviceInfo, allocAllDevices, dev
 
 	pluginEndpoint := fmt.Sprintf(dpSocketPath, time.Now().Unix())
 	if allocRdmaCM {
-		_, err := os.Stat(rdmaCMDevice)
+		_, err := os.Stat(path.Join("/proc/1/root", rdmaCMDevice))
 		if err != nil {
 			allocRdmaCM = false
 		}

Original file line number	Diff line number	Diff line change
`@@ -57,7 +57,7 @@ func NewERDMADevicePlugin(devices []*types.ERdmaDeviceInfo, allocAllDevices, dev`
`57`	`57`
`58`	`58`	`pluginEndpoint := fmt.Sprintf(dpSocketPath, time.Now().Unix())`
`59`	`59`	`if allocRdmaCM {`
`60`		`- _, err := os.Stat(rdmaCMDevice)`
	`60`	`+ _, err := os.Stat(path.Join("/proc/1/root", rdmaCMDevice))`
`61`	`61`	`if err != nil {`
`62`	`62`	`allocRdmaCM = false`
`63`	`63`	`}`