Module Name:    src
Committed By:   snj
Date:           Thu Dec 21 21:50:16 UTC 2017

Modified Files:
        src/sys/dev [netbsd-8]: fss.c

Log Message:
Pull up following revision(s) (requested by pgoyette in ticket #453):
        sys/dev/fss.c: revision 1.100
If config_cfattach_detach() returns an error, handle it instead of
ignoring.  Otherwise the mutex will get destroyed and we'll unload
the module, and any active users will eventually cause a panic.
Noted by code inspection.


To generate a diff of this commit:
cvs rdiff -u -r1.98 -r1.98.2.1 src/sys/dev/fss.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/fss.c
diff -u src/sys/dev/fss.c:1.98 src/sys/dev/fss.c:1.98.2.1
--- src/sys/dev/fss.c:1.98	Thu Jun  1 02:45:09 2017
+++ src/sys/dev/fss.c	Thu Dec 21 21:50:16 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: fss.c,v 1.98 2017/06/01 02:45:09 chs Exp $	*/
+/*	$NetBSD: fss.c,v 1.98.2.1 2017/12/21 21:50:16 snj Exp $	*/
 
 /*-
  * Copyright (c) 2003 The NetBSD Foundation, Inc.
@@ -36,7 +36,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: fss.c,v 1.98 2017/06/01 02:45:09 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: fss.c,v 1.98.2.1 2017/12/21 21:50:16 snj Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -1322,7 +1322,14 @@ fss_modcmd(modcmd_t cmd, void *arg)
 			    &fss_cdevsw, &fss_cmajor);
 			break;
 		}
-		config_cfdriver_detach(&fss_cd);
+		error = config_cfdriver_detach(&fss_cd);
+		if (error) {
+			devsw_attach(fss_cd.cd_name,
+			    &fss_bdevsw, &fss_bmajor, &fss_cdevsw, &fss_cmajor);
+			devsw_attach(fss_cd.cd_name, &fss_bdevsw, &fss_bmajor,
+			    &fss_cdevsw, &fss_cmajor);
+			break;
+		}
 		mutex_destroy(&fss_device_lock);
 		break;
 

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