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Date:      Mon, 1 Mar 2010 09:38:52 GMT
From:      Hans Petter Selasky <hselasky@FreeBSD.org>
To:        Perforce Change Reviews <perforce@FreeBSD.org>
Subject:   PERFORCE change 175242 for review
Message-ID:  <201003010938.o219cquU016120@repoman.freebsd.org>

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http://p4web.freebsd.org/chv.cgi?CH=175242

Change 175242 by hselasky@hselasky_laptop001 on 2010/03/01 09:38:51

	
	Fix for panic when inserting USB enabled PCCARD.
		- reviewed by John Baldwin 2009-11-19

Affected files ...

.. //depot/projects/usb/src/sys/dev/pccard/pccard.c#7 edit

Differences ...

==== //depot/projects/usb/src/sys/dev/pccard/pccard.c#7 (text+ko) ====

@@ -1258,7 +1258,10 @@
 pccard_intr(void *arg)
 {
 	struct pccard_function *pf = (struct pccard_function*) arg;
-	
+
+	if (pf->intr_handler == NULL)
+		return;			/* can happen during PCCARD insertion */
+
 	pf->intr_handler(pf->intr_handler_arg);	
 }
 



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