udf: Avoid unneeded variable length array in struct fileIdentDesc

impUse variable length array in struct fileIdentDesc is never used.
It serves only for documentation purposes of the on-disk format. Remove
it from the struct so that it doesn't confuse the compiler and
reviewers.

Reported-by: "Gustavo A. R. Silva" <gustavoars@kernel.org>
References: https://lore.kernel.org/all/ZRrsYkKIQe8K6F/t@work
Signed-off-by: Jan Kara <jack@suse.cz>

diff --git a/fs/udf/ecma_167.h b/fs/udf/ecma_167.h
index de17a97e8667425ae77d4452dc84afafa8c1377d..415b050b977d25632e93c3cb89033fa971d48e21 100644 (file)
--- a/fs/udf/ecma_167.h
+++ b/fs/udf/ecma_167.h
@@ -471,7 +471,7 @@ struct fileIdentDesc {
        uint8_t         lengthFileIdent;
        struct long_ad  icb;
        __le16          lengthOfImpUse;
-       uint8_t         impUse[];
+       /* uint8_t      impUse[]; */
        /* uint8_t      fileIdent[]; */
        /* uint8_t      padding[]; */
 } __packed;