Re: [PATCH]: Fix deadlock in USBIP driver (staging), linux-2.6.34-rc5

From: Eric Lescouet
Date: Thu Apr 22 2010 - 18:51:52 EST


> Odd, the patch has all leading tabs and spaces stripped out of it, is
> linewrapped, and the tabs are converted to spaces :(
>
> Care to try again, third time's a charm...

OK. It looked better on my box and on the list as well ...
... but let's try another client.

Eric.

Signed-off-by: Eric Lescouet <eric@xxxxxxxxxxxx>
-------------

diff -Nur linux-2.6.34-rc5/drivers/staging/usbip/usbip_event.c linux-2.6.34-rc5.new/drivers/staging/usbip/usbip_event.c
--- linux-2.6.34-rc5/drivers/staging/usbip/usbip_event.c 2010-04-20 01:29:56.000000000 +0200
+++ linux-2.6.34-rc5.new/drivers/staging/usbip/usbip_event.c 2010-04-22 19:19:52.997889126 +0200
@@ -117,6 +117,9 @@
{
struct usbip_task *eh = &ud->eh;

+ if (eh->thread == current)
+ return; /* do not wait for myself */
+
wait_for_completion(&eh->thread_done);
usbip_dbg_eh("usbip_eh has finished\n");
}
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