ChangeSet 1.1713.7.10, 2004/04/08 14:37:52-07:00, [EMAIL PROTECTED]
USB: fix empty write issue in pl2303 driver.
Patch originally from Christian Groessler <[EMAIL PROTECTED]> but cleaned up
by me.
drivers/usb/serial/pl2303.c | 3 +++
1 files changed, 3 insertions(+)
diff -Nru a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
--- a/drivers/usb/serial/pl2303.c Wed Apr 14 14:33:29 2004
+++ b/drivers/usb/serial/pl2303.c Wed Apr 14 14:33:29 2004
@@ -213,6 +213,9 @@
dbg("%s - port %d, %d bytes", __FUNCTION__, port->number, count);
+ if (!count)
+ return count;
+
if (port->write_urb->status == -EINPROGRESS) {
dbg("%s - already writing", __FUNCTION__);
return 0;
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