From 31f2566f33a6a25ac0baf402316e37e76632445f Mon Sep 17 00:00:00 2001
From: Fabian Frederick <fabf@skynet.be>
Date: Wed, 8 Apr 2015 21:23:52 +0200
Subject: [PATCH] udf: remove unnecessary test in udf_build_ustr_exact()

We can remove parameter checks:

udf_build_ustr_exact() is only called by udf_get_filename()
which now assures dest is not NULL

udf_find_entry() and udf_readdir() call udf_get_filename()
after checking sname
udf_symlink_filler() calls udf_pc_to_char() with sname=kmap(page).

udf_find_entry() and udf_readdir() call udf_get_filename with UDF_NAME_LEN
udf_pc_to_char() with PAGE_SIZE

Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Jan Kara <jack@suse.cz>
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