svn commit: r351204 - head/sbin/fsck_msdosfs

[Xin LI]

Author: delphij
Date: Mon Aug 19 04:28:12 2019
New Revision: 351204
URL: https://svnweb.freebsd.org/changeset/base/351204

Log:
  Remove redundant check and wrong fix: fat.c checks already take care
  about cluster chains.
  
  Obtained from:	OpenBSD
  MFC after:	2 weeks

Modified:
  head/sbin/fsck_msdosfs/dir.c

Modified: head/sbin/fsck_msdosfs/dir.c
==============================================================================
--- head/sbin/fsck_msdosfs/dir.c	Mon Aug 19 01:14:11 2019	(r351203)
+++ head/sbin/fsck_msdosfs/dir.c	Mon Aug 19 04:28:12 2019	(r351204)
@@ -220,7 +220,6 @@ int
 resetDosDirSection(struct bootblock *boot, struct fatEntry *fat)
 {
 	int b1, b2;
-	cl_t cl;
 	int ret = FSOK;
 	size_t len;
 
@@ -253,24 +252,9 @@ resetDosDirSection(struct bootblock *boot, struct fatE
 			       boot->bpbRootClust);
 			return FSFATAL;
 		}
-		cl = fat[boot->bpbRootClust].next;
-		if (cl < CLUST_FIRST
-		    || (cl >= CLUST_RSRVD && cl< CLUST_EOFS)
-		    || fat[boot->bpbRootClust].head != boot->bpbRootClust) {
-			if (cl == CLUST_FREE)
-				pwarn("Root directory starts with free cluster\n");
-			else if (cl >= CLUST_RSRVD)
-				pwarn("Root directory starts with cluster marked %s\n",
-				      rsrvdcltype(cl));
-			else {
-				pfatal("Root directory doesn't start a cluster chain");
-				return FSFATAL;
-			}
-			if (ask(1, "Fix")) {
-				fat[boot->bpbRootClust].next = CLUST_FREE;
-				ret = FSFATMOD;
-			} else
-				ret = FSFATAL;
+		if (fat[boot->bpbRootClust].head != boot->bpbRootClust) {
+			pfatal("Root directory doesn't start a cluster chain");
+			return FSFATAL;
 		}
 
 		fat[boot->bpbRootClust].flags |= FAT_USED;