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author | Sven Schmidt <4sschmid@informatik.uni-hamburg.de> | 2017-02-25 00:01:25 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-25 02:46:57 +0100 |
commit | 69c78423b8f439b077929410bdf8f88e7031b891 (patch) | |
tree | de63030f9e192be674f750915ef2c636f8a9e1ef /lib | |
parent | fs/pstore: fs/squashfs: change usage of LZ4 to work with new LZ4 version (diff) | |
download | linux-69c78423b8f439b077929410bdf8f88e7031b891.tar.xz linux-69c78423b8f439b077929410bdf8f88e7031b891.zip |
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>
Signed-off-by: Linus Torvalds <torvalds@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 53f313f05185..cc7b6d4cc7c7 100644 --- a/lib/lz4/lz4_compress.c +++ b/lib/lz4/lz4_compress.c @@ -936,27 +936,5 @@ 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 b5e00a19a7b4..bd3574312b82 100644 --- a/lib/lz4/lz4_decompress.c +++ b/lib/lz4/lz4_decompress.c @@ -493,46 +493,6 @@ int LZ4_decompress_fast_usingDict(const char *source, char *dest, originalSize, 0, dictStart, dictSize); } -/*-****************************** - * 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; -} - -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; -} - #ifndef STATIC EXPORT_SYMBOL(LZ4_decompress_safe); EXPORT_SYMBOL(LZ4_decompress_safe_partial); @@ -542,8 +502,6 @@ EXPORT_SYMBOL(LZ4_decompress_safe_continue); EXPORT_SYMBOL(LZ4_decompress_fast_continue); EXPORT_SYMBOL(LZ4_decompress_safe_usingDict); EXPORT_SYMBOL(LZ4_decompress_fast_usingDict); -EXPORT_SYMBOL(lz4_decompress_unknownoutputsize); -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 e1fbf1561e55..176f03b83e56 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"); |