fs: fat: use get_unaligned_le16 to convert u8[2] to u16

This reduces code duplications.

Signed-off-by: Christian Taedcke <christian.taedcke@weidmueller.com>
This commit is contained in:
Christian Taedcke 2023-11-15 13:44:16 +01:00 committed by Tom Rini
parent 169c3cc49e
commit 24caa6964a

View file

@ -18,6 +18,7 @@
#include <fs.h>
#include <log.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>
#include <part.h>
#include <malloc.h>
#include <memalign.h>
@ -571,7 +572,7 @@ static int get_fs_info(fsdata *mydata)
mydata->total_sect = bs.total_sect;
} else {
mydata->fatlength = bs.fat_length;
mydata->total_sect = (bs.sectors[1] << 8) + bs.sectors[0];
mydata->total_sect = get_unaligned_le16(bs.sectors);
if (!mydata->total_sect)
mydata->total_sect = bs.total_sect;
}
@ -583,7 +584,7 @@ static int get_fs_info(fsdata *mydata)
mydata->rootdir_sect = mydata->fat_sect + mydata->fatlength * bs.fats;
mydata->sect_size = (bs.sector_size[1] << 8) + bs.sector_size[0];
mydata->sect_size = get_unaligned_le16(bs.sector_size);
mydata->clust_size = bs.cluster_size;
if (mydata->sect_size != cur_part_info.blksz) {
log_err("FAT sector size mismatch (fs=%u, dev=%lu)\n",
@ -607,8 +608,7 @@ static int get_fs_info(fsdata *mydata)
(mydata->clust_size * 2);
mydata->root_cluster = bs.root_cluster;
} else {
mydata->rootdir_size = ((bs.dir_entries[1] * (int)256 +
bs.dir_entries[0]) *
mydata->rootdir_size = (get_unaligned_le16(bs.dir_entries) *
sizeof(dir_entry)) /
mydata->sect_size;
mydata->data_begin = mydata->rootdir_sect +