Merge tag 'net-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

[linux-2.6-microblaze.git] / drivers / rpmsg / rpmsg_char.c

diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c
index 95a65f7..2bebc9b 100644 (file)
--- a/drivers/rpmsg/rpmsg_char.c
+++ b/drivers/rpmsg/rpmsg_char.c
@@ -127,6 +127,9 @@ static int rpmsg_eptdev_open(struct inode *inode, struct file *filp)
        struct rpmsg_device *rpdev = eptdev->rpdev;
        struct device *dev = &eptdev->dev;
 
+       if (eptdev->ept)
+               return -EBUSY;
+
        get_device(dev);
 
        ept = rpmsg_create_ept(rpdev, rpmsg_ept_cb, eptdev, eptdev->chinfo);