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Date:      Tue, 1 Aug 2000 21:11:29 +0200 (CEST)
From:      Andre Albsmeier <andre.albsmeier@mchp.siemens.de>
To:        FreeBSD-gnats-submit@freebsd.org
Subject:   kern/20348: patch for "fd" is usurping "fd" ...
Message-ID:  <200008011911.e71JBTv00816@curry.mchp.siemens.de>

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>Number:         20348
>Category:       kern
>Synopsis:       patch for "fd" is usurping "fd" ...
>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:   Tue Aug 01 12:20:00 PDT 2000
>Closed-Date:
>Last-Modified:
>Originator:     Andre Albsmeier
>Release:        FreeBSD 4.1-STABLE i386
>Organization:
>Environment:

FreeBSD 4.1-STABLE

>Description:

When using two floppy drives, dmesg tells us

>How-To-Repeat:

Attach two floppies to a 4.1-STABLE machine and boot.

>Fix:

Thanks to the hint from Poul-Henning Kamp <phk@critter.freebsd.dk>,
 the problem could be solved easily:

--- sys/isa/fd.c.ORI	Mon Jul 31 09:38:59 2000
+++ sys/isa/fd.c	Mon Jul 31 09:41:11 2000
@@ -1048,10 +1048,14 @@
 	int	typemynor;
 	int	typesize;
 #endif
+	static char cdevsw_add_done = 0;
 
 	fd = device_get_softc(dev);
 
-	cdevsw_add(&fd_cdevsw);	/* XXX */
+	if (!cdevsw_add_done) {
+		cdevsw_add(&fd_cdevsw);	/* XXX */
+		cdevsw_add_done++;
+	}
 	make_dev(&fd_cdevsw, (fd->fdu << 6),
 		UID_ROOT, GID_OPERATOR, 0640, "rfd%d", fd->fdu);
 


>Release-Note:
>Audit-Trail:
>Unformatted:
 >WARNING: "fd" is usurping "fd"'s cdevsw[]
 >WARNING: "fd" is usurping "fd"'s bmaj
 
 


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