From: Thomas RIENOESSL <thomas.rienoessl@bachmann.info>
Date: Tue, 13 Nov 2018 13:00:59 +0000 (+0100)
Subject: fs: fat: assign rootdir sector when accessing root directory
X-Git-Url: http://git.dujemihanovic.xyz/%22/img/sics.gif/%22/static/git-favicon.png?a=commitdiff_plain;h=a68b0e11ea774492713a65d9fd5bb525fcaefff3;p=u-boot.git

fs: fat: assign rootdir sector when accessing root directory

This fixes problems accessing drives formated under
Windows as FAT16.

Signed-off-by: Thomas RIENOESSL <thomas.rienoessl@bachmann.info>
[trini: Rebase on top of f528c140c801]
Signed-off-by: Tom Rini <trini@konsulko.com>
---

diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index b08949d370..4bc3030ab8 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -725,7 +725,10 @@ static void *next_cluster(fat_itr *itr)
 	if (itr->last_cluster)
 		return NULL;
 
-	sect = clust_to_sect(itr->fsdata, itr->next_clust);
+	if (itr->fsdata->fatsize != 32 && itr->is_root)
+		sect = mydata->rootdir_sect;
+	else
+		sect = clust_to_sect(itr->fsdata, itr->next_clust);
 
 	debug("FAT read(sect=%d), clust_size=%d, DIRENTSPERBLOCK=%zd\n",
 	      sect, itr->fsdata->clust_size, DIRENTSPERBLOCK);