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Frommatt mooney <>
Subject[PATCH 15/22] staging: usbip: userspace: usbip list: move output header
DateSun, 19 Jun 2011 22:44:45 -0700
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>
---
drivers/staging/usbip/userspace/src/usbip_list.c | 17 +++++++++++------
1 files changed, 11 insertions(+), 6 deletions(-)
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 @@ void usbip_list_usage(void)
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 @@ static int get_exported_devices(int sockfd)
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 @@ static int list_exported_devices(char *host)
}
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;
--
1.7.5.2


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