staging: usbip: userspace: usbip list: move output header
Delay the printing of the output header until the list is received
from the remote host. This allows notification that the host does not
have any exportable devices.
Signed-off-by: matt mooney <mfm@muteddisk.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/usbip/userspace/src/usbip_list.c b/drivers/staging/usbip/userspace/src/usbip_list.c
index afff469..973bf8c 100644
--- a/drivers/staging/usbip/userspace/src/usbip_list.c
+++ b/drivers/staging/usbip/userspace/src/usbip_list.c
@@ -45,7 +45,7 @@
printf("usage: %s", usbip_list_usage_string);
}
-static int get_exported_devices(int sockfd)
+static int get_exported_devices(char *host, int sockfd)
{
char product_name[100];
char class_name[100];
@@ -77,6 +77,15 @@
PACK_OP_DEVLIST_REPLY(0, &reply);
dbg("exportable devices: %d\n", reply.ndev);
+ if (reply.ndev == 0) {
+ info("no exportable devices found on %s", host);
+ return 0;
+ }
+
+ printf("Exportable USB devices\n");
+ printf("======================\n");
+ printf(" - %s\n", host);
+
for (i = 0; i < reply.ndev; i++) {
memset(&udev, 0, sizeof(udev));
rc = usbip_recv(sockfd, &udev, sizeof(udev));
@@ -128,11 +137,7 @@
}
dbg("connected to %s:%s", host, USBIP_PORT_STRING);
- printf("Exportable USB devices\n");
- printf("======================\n");
- printf(" - %s\n", host);
-
- rc = get_exported_devices(sockfd);
+ rc = get_exported_devices(host, sockfd);
if (rc < 0) {
err("failed to get device list from %s", host);
return -1;