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    Subject[PATCH 2/2] fat: Fix bug in enforcing Long File Name length.
    Date
     Since '*outlen' is initialized to zero,it is currently possible to create a f ilename of length (FAT_LFN_LEN +1) when utf8 is not enabled.To enforce the FA T_LFN_LEN limit, we must perform one less iteration.

    Signed-off-by: Namjae Jeon <linkinjeon@gmail.com>
    Signed-off-by: Ravishankar N <cyberax82@gmail.com>
    ---
    fs/fat/namei_vfat.c | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
    index aae3b4e..98ae804 100644
    --- a/fs/fat/namei_vfat.c
    +++ b/fs/fat/namei_vfat.c
    @@ -522,7 +522,7 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
    op = &outname[*outlen * sizeof(wchar_t)];
    } else {
    for (i = 0, ip = name, op = outname, *outlen = 0;
    - i < len && *outlen <= FAT_LFN_LEN;
    + i < len && *outlen < FAT_LFN_LEN;
    *outlen += 1) {
    if (escape && (*ip == ':')) {
    if (i > len - 5)
    --
    1.7.5.4


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