Date: Thu, 27 May 2010 13:35:55 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/147127: Panic in pccard.c Message-ID: <201005271335.55559.hselasky@c2i.net> Resent-Message-ID: <201005271140.o4RBe3vY075220@freefall.freebsd.org>
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>Number: 147127
>Category: kern
>Synopsis: Panic in pccard.c
>Confidential: no
>Severity: critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu May 27 11:40:02 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator: Hans Petter Selasky
>Release: FreeBSD 9.0-CURRENT i386
>Organization:
>Environment:
>Description:
When inserting a PCCARD a panic can occur if the PCCARD generate interrupts
before the driver is loaded.
>How-To-Repeat:
>Fix:
--- dev/pccard/pccard.c (revision 208027)
+++ dev/pccard/pccard.c (local)
@@ -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);
}
>Release-Note:
>Audit-Trail:
>Unformatted:
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