From: Christian Taedcke christian.taedcke@weidmueller.com
This reduces code duplications.
Signed-off-by: Christian Taedcke christian.taedcke@weidmueller.com ---
Changes in v2: - Use get_unaligned_le16 instead of custom macro
fs/fat/fat.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/fat/fat.c b/fs/fat/fat.c index 8ff1fd0ec8..a3522340ef 100644 --- a/fs/fat/fat.c +++ b/fs/fat/fat.c @@ -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 +