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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Sat, 29 Oct 2011 16:38:04 +0000 (UTC)
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Subject: svn commit: r226906 - stable/9/sys/kern
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Author: marcel
Date: Sat Oct 29 16:38:04 2011
New Revision: 226906
URL: http://svn.freebsd.org/changeset/base/226906

Log:
  MFC r226673:
  Don't terminate the interactive root mount prompt on mount failure.
  This restores the previous behaviour. While here, match '?' and '.'
  inputs exactly and improve the error message.
  
  Requested by: avg@
  Derived from a patch by: Arnaud Lacombe <lacombar@gmail.com>
  Approved by: re (kib@)

Modified:
  stable/9/sys/kern/vfs_mountroot.c
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/amd64/include/xen/   (props changed)
  stable/9/sys/boot/   (props changed)
  stable/9/sys/boot/i386/efi/   (props changed)
  stable/9/sys/boot/ia64/efi/   (props changed)
  stable/9/sys/boot/ia64/ski/   (props changed)
  stable/9/sys/boot/powerpc/boot1.chrp/   (props changed)
  stable/9/sys/boot/powerpc/ofw/   (props changed)
  stable/9/sys/cddl/contrib/opensolaris/   (props changed)
  stable/9/sys/conf/   (props changed)
  stable/9/sys/contrib/dev/acpica/   (props changed)
  stable/9/sys/contrib/octeon-sdk/   (props changed)
  stable/9/sys/contrib/pf/   (props changed)
  stable/9/sys/contrib/x86emu/   (props changed)

Modified: stable/9/sys/kern/vfs_mountroot.c
==============================================================================
--- stable/9/sys/kern/vfs_mountroot.c	Sat Oct 29 13:50:15 2011	(r226905)
+++ stable/9/sys/kern/vfs_mountroot.c	Sat Oct 29 16:38:04 2011	(r226906)
@@ -483,26 +483,27 @@ parse_dir_ask(char **conf)
 	printf("  .               Yield 1 second (for background tasks)\n");
 	printf("  <empty line>    Abort manual input\n");
 
- again:
-	printf("\nmountroot> ");
-	gets(name, sizeof(name), GETS_ECHO);
-	if (name[0] == '\0')
-		return (0);
-	if (name[0] == '?') {
-		printf("\nList of GEOM managed disk devices:\n  ");
-		g_dev_print();
-		goto again;
-	}
-	if (name[0] == '.') {
-		pause("rmask", hz);
-		goto again;
-	}
-	mnt = name;
-	error = parse_mount(&mnt);
-	if (error == -1) {
-		printf("Invalid specification.\n");
-		goto again;
-	}
+	do {
+		error = EINVAL;
+		printf("\nmountroot> ");
+		gets(name, sizeof(name), GETS_ECHO);
+		if (name[0] == '\0')
+			break;
+		if (name[0] == '?' && name[1] == '\0') {
+			printf("\nList of GEOM managed disk devices:\n  ");
+			g_dev_print();
+			continue;
+		}
+		if (name[0] == '.' && name[1] == '\0') {
+			pause("rmask", hz);
+			continue;
+		}
+		mnt = name;
+		error = parse_mount(&mnt);
+		if (error == -1)
+			printf("Invalid file system specification.\n");
+	} while (error != 0);
+
 	return (error);
 }