diff options
author | Sven Schmidt <4sschmid@informatik.uni-hamburg.de> | 2017-02-08 10:27:59 +1100 |
---|---|---|
committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2017-02-08 10:27:59 +1100 |
commit | 26d3f6eca673dab29a30ecfc5f5655978b765070 (patch) | |
tree | 2954ffd47c0dcf3bd9d5f4aae1232978eb864042 /lib | |
parent | 1997098ec271b1f8309e24659dc5210bd718ed19 (diff) |
lib/lz4: remove back-compat wrappers
Remove the functions introduced as wrappers for providing backwards
compatibility to the prior LZ4 version. They're not needed anymore since
there's no callers left.
Link: http://lkml.kernel.org/r/1486321748-19085-6-git-send-email-4sschmid@informatik.uni-hamburg.de
Signed-off-by: Sven Schmidt <4sschmid@informatik.uni-hamburg.de>
Cc: Bongkyu Kim <bongkyu.kim@lge.com>
Cc: Rui Salvaterra <rsalvaterra@gmail.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: David S. Miller <davem@davemloft.net>
Cc: Anton Vorontsov <anton@enomsg.org>
Cc: Colin Cross <ccross@android.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r-- | lib/lz4/lz4_compress.c | 22 | ||||
-rw-r--r-- | lib/lz4/lz4_decompress.c | 42 | ||||
-rw-r--r-- | lib/lz4/lz4hc_compress.c | 23 |
3 files changed, 0 insertions, 87 deletions
diff --git a/lib/lz4/lz4_compress.c b/lib/lz4/lz4_compress.c index 6aa7ac381e1a..697dbda34408 100644 --- a/lib/lz4/lz4_compress.c +++ b/lib/lz4/lz4_compress.c @@ -883,27 +883,5 @@ int LZ4_compress_fast_continue(LZ4_stream_t *LZ4_stream, const char *source, } EXPORT_SYMBOL(LZ4_compress_fast_continue); -/*-****************************** - * For backwards compatibility - ********************************/ -int lz4_compress(const unsigned char *src, size_t src_len, unsigned char *dst, - size_t *dst_len, void *wrkmem) { - *dst_len = LZ4_compress_default(src, dst, src_len, - *dst_len, wrkmem); - - /* - * Prior lz4_compress will return -1 in case of error - * and 0 on success - * while new LZ4_compress_fast/default - * returns 0 in case of error - * and the output length on success - */ - if (!*dst_len) - return -1; - else - return 0; -} -EXPORT_SYMBOL(lz4_compress); - MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("LZ4 compressor"); diff --git a/lib/lz4/lz4_decompress.c b/lib/lz4/lz4_decompress.c index fd665ca2ab0c..9bf918233749 100644 --- a/lib/lz4/lz4_decompress.c +++ b/lib/lz4/lz4_decompress.c @@ -483,47 +483,5 @@ int LZ4_decompress_fast_usingDict(const char *source, char *dest, } EXPORT_SYMBOL(LZ4_decompress_fast_usingDict); -/*-****************************** - * For backwards compatibility - ********************************/ -int lz4_decompress_unknownoutputsize(const unsigned char *src, - size_t src_len, unsigned char *dest, size_t *dest_len) { - *dest_len = LZ4_decompress_safe(src, dest, - src_len, *dest_len); - - /* - * Prior lz4_decompress_unknownoutputsize will return - * 0 for success and a negative result for error - * new LZ4_decompress_safe returns - * - the length of data read on success - * - and also a negative result on error - * meaning when result > 0, we just return 0 here - */ - if (src_len > 0) - return 0; - else - return -1; -} -EXPORT_SYMBOL(lz4_decompress_unknownoutputsize); - -int lz4_decompress(const unsigned char *src, size_t *src_len, - unsigned char *dest, size_t actual_dest_len) { - *src_len = LZ4_decompress_fast(src, dest, actual_dest_len); - - /* - * Prior lz4_decompress will return - * 0 for success and a negative result for error - * new LZ4_decompress_fast returns - * - the length of data read on success - * - and also a negative result on error - * meaning when result > 0, we just return 0 here - */ - if (*src_len > 0) - return 0; - else - return -1; -} -EXPORT_SYMBOL(lz4_decompress); - MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("LZ4 decompressor"); diff --git a/lib/lz4/lz4hc_compress.c b/lib/lz4/lz4hc_compress.c index f1d4662e59df..836329219181 100644 --- a/lib/lz4/lz4hc_compress.c +++ b/lib/lz4/lz4hc_compress.c @@ -765,28 +765,5 @@ int LZ4_saveDictHC( } EXPORT_SYMBOL(LZ4_saveDictHC); -/*-****************************** - * For backwards compatibility - ********************************/ -int lz4hc_compress(const unsigned char *src, size_t src_len, - unsigned char *dst, size_t *dst_len, void *wrkmem) -{ - *dst_len = LZ4_compress_HC(src, dst, src_len, - *dst_len, LZ4HC_DEFAULT_CLEVEL, wrkmem); - - /* - * Prior lz4hc_compress will return -1 in case of error - * and 0 on success - * while new LZ4_compress_HC - * returns 0 in case of error - * and the output length on success - */ - if (!*dst_len) - return -1; - else - return 0; -} -EXPORT_SYMBOL(lz4hc_compress); - MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("LZ4 HC compressor"); |