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| author | Sergei Shtylyov <sshtylyov@ru.mvista.com> | 2011-08-19 09:32:34 +0000 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-10-01 21:52:06 +0200 |
| commit | 40e219165bcdf450cc69976fa129f2ef9889973a (patch) | |
| tree | e4dd214f13a6cfdacc2dec8f0e93d15a170737c2 /fs/fat | |
| parent | 60b36f0fc7c77e98b9d55c237e455c42a1caa44b (diff) | |
| download | u-boot-imx-40e219165bcdf450cc69976fa129f2ef9889973a.zip u-boot-imx-40e219165bcdf450cc69976fa129f2ef9889973a.tar.gz u-boot-imx-40e219165bcdf450cc69976fa129f2ef9889973a.tar.bz2 | |
fat: root directory cluster only makes sense for FAT32
The root directory cluster field only exists in a FAT32 boot sector, so the
'root_cluster' variable in do_fat_read() contains garbage in case of FAT12/16.
Make it contain 0 instead as this is what is passed to get_vfatname() in that
case anyway.
Signed-off-by: Sergei Shtylyov <sshtylyov@mvista.com>
Diffstat (limited to 'fs/fat')
| -rw-r--r-- | fs/fat/fat.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/fs/fat/fat.c b/fs/fat/fat.c index d5aded4..aa0be18 100644 --- a/fs/fat/fat.c +++ b/fs/fat/fat.c @@ -788,7 +788,7 @@ do_fat_read (const char *filename, void *buffer, unsigned long maxsize, int files = 0, dirs = 0; long ret = -1; int firsttime; - __u32 root_cluster; + __u32 root_cluster = 0; int rootdir_size = 0; int j; @@ -797,12 +797,12 @@ do_fat_read (const char *filename, void *buffer, unsigned long maxsize, return -1; } - root_cluster = bs.root_cluster; - - if (mydata->fatsize == 32) + if (mydata->fatsize == 32) { + root_cluster = bs.root_cluster; mydata->fatlength = bs.fat32_length; - else + } else { mydata->fatlength = bs.fat_length; + } mydata->fat_sect = bs.reserved; @@ -904,9 +904,7 @@ do_fat_read (const char *filename, void *buffer, unsigned long maxsize, ((dir_slot *)dentptr)->alias_checksum; get_vfatname(mydata, - (mydata->fatsize == 32) ? - root_cluster : - 0, + root_cluster, do_fat_read_block, dentptr, l_name); |