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fs: fat: assign rootdir sector when accessing root directory

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This fixes problems accessing drives formated under
Windows as FAT16.

Signed-off-by: Thomas RIENOESSL <thomas.rienoessl@bachmann.info>
[trini: Rebase on top of f528c140c8]
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Thomas RIENOESSL 2018-11-13 14:00:59 +01:00 committed by Tom Rini
parent 2fa77bd125
commit a68b0e11ea
1 changed files with 4 additions and 1 deletions
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5
fs/fat/fat.c
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@ -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);