net/9p: Add device name details on error

If we use wrong device name 9p mount fails with error

"9pnet_virtio: no channels available"

Improve the error output as below

"9pnet_virtio: no channels available for device /dev/root"

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 6e70ddb158b4bc121a0f32e7a53fecf8125e8354..3827760c8eefd4d2766015679311e3222aa890b2 100644 (file)
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -662,7 +662,7 @@ p9_virtio_create(struct p9_client *client, const char *devname, char *args)
        mutex_unlock(&virtio_9p_lock);
 
        if (!found) {
        mutex_unlock(&virtio_9p_lock);
 
        if (!found) {

-               pr_err("no channels available\n");
+               pr_err("no channels available for device %s\n", devname);

                return ret;
        }
 
                return ret;
        }