rpmsgdev: fix export null issue when rpmsgdev init

yezhonghui2024 · yezhonghui2024 · commit b8418bcb6a5c · 2025-12-10T17:58:19.000+08:00
check rpmsgdev export null or not

Signed-off-by: yezhonghui &lt;yezhonghui@xiaomi.com&gt;
diff --git a/drivers/misc/rpmsgdev_server.c b/drivers/misc/rpmsgdev_server.c
@@ -163,7 +163,8 @@ static int rpmsgdev_open_handler(FAR struct rpmsg_endpoint *ept,
     }
 
   msg->header.result = file_open(&dev->file,
-                                 export->localpath,
+                                 export ? export->localpath :
+                                 strchr(ept->name, '/'),
                                  msg->flags, 0);
   if (msg->header.result < 0)
     {

Original file line number	Diff line number	Diff line change
`@@ -163,7 +163,8 @@ static int rpmsgdev_open_handler(FAR struct rpmsg_endpoint *ept,`
`163`	`163`	`}`
`164`	`164`
`165`	`165`	`msg->header.result = file_open(&dev->file,`
`166`		`- export->localpath,`
	`166`	`+ export ? export->localpath :`
	`167`	`+ strchr(ept->name, '/'),`
`167`	`168`	`msg->flags, 0);`
`168`	`169`	`if (msg->header.result < 0)`
`169`	`170`	`{`