| From | Ben Hutchings <> | Date | Tue, 17 Feb 2015 01:46:53 +0000 | Subject | [PATCH 3.2 069/152] udf: Treat symlink component of type 2 as / |
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3.2.67-rc1 review patch. If anyone has any objections, please let me know.
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From: Jan Kara <jack@suse.cz>
commit fef2e9f3301934773e4f1b3cc5c7bffb119346b8 upstream.
Currently, we ignore symlink component of type 2. But mkisofs and other OS' seem to treat it as / so do the same for compatibility.
Reported-by: "Gábor S." <otnaccess@hotmail.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- fs/udf/symlink.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-)
--- a/fs/udf/symlink.c +++ b/fs/udf/symlink.c @@ -41,10 +41,16 @@ static void udf_pc_to_char(struct super_ pc = (struct pathComponent *)(from + elen); switch (pc->componentType) { case 1: - if (pc->lengthComponentIdent == 0) { - p = to; - *p++ = '/'; - } + /* + * Symlink points to some place which should be agreed + * upon between originator and receiver of the media. Ignore. + */ + if (pc->lengthComponentIdent > 0) + break; + /* Fall through */ + case 2: + p = to; + *p++ = '/'; break; case 3: memcpy(p, "../", 3);
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