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kern/127131: /usr/src/sys/dev/bktr/bktr_os.c, line 469: wrong type in bus_release_resource
- To: freebsd-gnats-submit_(_at_)_FreeBSD_(_dot_)_org
- Subject: kern/127131: /usr/src/sys/dev/bktr/bktr_os.c, line 469: wrong type in bus_release_resource
- From: Fritz Katz <frtzkatz_(_at_)_yahoo_(_dot_)_com>
- Date: Sat, 6 Sep 2008 03:00:17 GMT
- Cc:
- Resent-date: Sat, 6 Sep 2008 03:10:02 GMT
- Resent-from: FreeBSD-gnats-submit_(_at_)_FreeBSD_(_dot_)_org (GNATS Filer)
- Resent-message-id: <200809060310_(_dot_)_m863A2IC051600_(_at_)_freefall_(_dot_)_freebsd_(_dot_)_org>
- Resent-reply-to: FreeBSD-gnats-submit_(_at_)_FreeBSD_(_dot_)_org, Fritz Katz <frtzkatz_(_at_)_yahoo_(_dot_)_com>
- Resent-to: freebsd-bugs_(_at_)_FreeBSD_(_dot_)_org
>Number: 127131
>Category: kern
>Synopsis: /usr/src/sys/dev/bktr/bktr_os.c, line 469: wrong type in bus_release_resource
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sat Sep 06 03:10:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator: Fritz Katz
>Release: 7.0-RELEASE i386
>Organization:
AAArt Corp.
>Environment:
FreeBSD nvdev.AAArt.com 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Wed May 21 13:31:32 PDT 2008 root_(_at_)_nvdev_(_dot_)_AAArt_(_dot_)_com:/usr/obj/usr/src/sys/AAART i386
>Description:
In FreeBSD-7.0, /usr/src/sys/dev/bktr/bktr_os.c, line 469:
http://fxr.watson.org/fxr/source/dev/bktr/bktr_os.c?v=FREEBSD70#L469
__________
fail:
if (bktr->res_irq)
bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq);
if (bktr->res_mem)
bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem);
return error;
__________
Shouldn't the type field for the second bus_release_resource be SYS_RES_MEMORY? Would it cause a kernel panic if it were ever hit? If it is a bug, it's probably been there for years.
>How-To-Repeat:
if the bktr driver fails to load, this code will be hit.
>Fix:
replace SYS_RES_IRQ with SYS_RES_MEMORY in the second bus_release_resource.
>Release-Note:
>Audit-Trail:
>Unformatted:
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