Re: A little question about safe mode

on 18/10/2012 18:20 Andriy Gapon said the following:
> My guess is that the easiest way to avoid this ambiguity and the confusion that it
> causes (like the problem you described above) is to prepend "/dev/", if it's
> missing, right in vfs_mountroot.c before calling kernel_mount().

A patch (not tested):

--- a/sys/kern/vfs_mountroot.c
+++ b/sys/kern/vfs_mountroot.c
@@ -676,6 +676,7 @@ static int
 parse_mount(char **conf)
 {
 	char errmsg[255];
+	char devbuf[MNAMELEN];
 	struct mntarg *ma;
 	char *dev, *fs, *opts, *tok;
 	int delay, error, timeout;
@@ -693,6 +694,11 @@ parse_mount(char **conf)
 	parse_advance(&tok);
 	dev = tok;

+	if (dev[0] != '\0' && strncmp(dev, "/dev/", 5) != 0) {
+		snprintf(devbuf, sizeof(devbuf), "/dev/%s", dev);
+		dev = devbuf;
+	}
+
 	if (root_mount_mddev != -1) {
 		/* Handle substitution for the md unit number. */
 		tok = strstr(dev, "md#");


-- 
Andriy Gapon
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