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staging: usbip: userspace: usbip list: move output header

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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>
This commit is contained in:
matt mooney 2011-06-19 22:44:45 -07:00 committed by Greg Kroah-Hartman
parent 622dde8105
commit b9d65b1dd3
1 changed files with 11 additions and 6 deletions
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17
drivers/staging/usbip/userspace/src/usbip_list.c
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@ -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;