rpmsgdev: devpath may exceed RPMSG_NAME_SIZE

Signed-off-by: yintao <[email protected]>
apache · Sep 28, 2024 · f45eaa6 · f45eaa6
1 parent 190fdd1
commit f45eaa6
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/drivers/misc/rpmsgdev.c b/drivers/misc/rpmsgdev.c
@@ -1160,6 +1160,9 @@ int rpmsgdev_register(FAR const char *remotecpu, FAR const char *remotepath,
       return -EINVAL;
     }
 
+  DEBUGASSERT(strlen(remotepath) + RPMSGDEV_NAME_PREFIX_LEN <=
+              RPMSG_NAME_SIZE);
+
   dev = kmm_zalloc(sizeof(*dev));
   if (dev == NULL)
     {

diff --git a/drivers/misc/rpmsgdev.h b/drivers/misc/rpmsgdev.h
@@ -33,8 +33,8 @@
  * Pre-processor definitions
  ****************************************************************************/
 
-#define RPMSGDEV_NAME_PREFIX     "rpmsgdev-"
-#define RPMSGDEV_NAME_PREFIX_LEN 9
+#define RPMSGDEV_NAME_PREFIX     "rpdev-"
+#define RPMSGDEV_NAME_PREFIX_LEN 6
 
 #define RPMSGDEV_OPEN            1
 #define RPMSGDEV_CLOSE           2