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usbip: usbip_host_common: Use new error codes to return request status

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Currently ST_OK and ST_NA are the only values used to communicate
status of a request from a client. Use new error codes to clearly
indicate what failed. For example, when client sends request to
import a device that isn't export-able, send ST_DEV_BUSY to the client.

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shuah Khan
2018-03-07 13:42:25 -07:00
committed by Greg Kroah-Hartman
parent f6bcbf2e24
commit c207a10d2f
1 changed files with 4 additions and 1 deletions
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5
tools/usb/usbip/libsrc/usbip_host_common.c
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@@ -234,14 +234,17 @@ int usbip_export_device(struct usbip_exported_device *edev, int sockfd)
switch (edev->status) { switch (edev->status) {
case SDEV_ST_ERROR: case SDEV_ST_ERROR:
dbg("status SDEV_ST_ERROR"); dbg("status SDEV_ST_ERROR");
ret = ST_DEV_ERR;
break; break;
case SDEV_ST_USED: case SDEV_ST_USED:
dbg("status SDEV_ST_USED"); dbg("status SDEV_ST_USED");
ret = ST_DEV_BUSY;
break; break;
default: default:
dbg("status unknown: 0x%x", edev->status); dbg("status unknown: 0x%x", edev->status);
ret = -1;
} }
return -1; return ret;
} }
/* only the first interface is true */ /* only the first interface is true */