USB: Fix signr comment in usbdevice_fs.h

This trivial documentation patch corrects a comment in usbdevice_fs.h; it
previously suggested that the signal would only be sent on error, but I am
told that it is sent on both successful and unsuccessful completion, and
that zero indicates that no signal should be sent.

Signed-off-by: Phil Endecott <spam_from_usb_devel@chezphil.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/usbdevice_fs.h b/include/linux/usbdevice_fs.h
index 342dd5a7e8bb..8ca5a7fbc9ec 100644
--- a/include/linux/usbdevice_fs.h
+++ b/include/linux/usbdevice_fs.h
@@ -102,7 +102,8 @@ struct usbdevfs_urb {
         int start_frame;
         int number_of_packets;
         int error_count;
-        unsigned int signr;  /* signal to be sent on error, -1 if none should be sent */
+        unsigned int signr;     /* signal to be sent on completion,
+                                  or 0 if none should be sent. */
         void *usercontext;
         struct usbdevfs_iso_packet_desc iso_frame_desc[0];
 };