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lz4: fix compression/decompression signedness mismatch

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LZ4 compression and decompression functions require different in
signedness input/output parameters: unsigned char for compression and
signed char for decompression.

Change decompression API to require "(const) unsigned char *".

Signed-off-by: Sergey Senozhatsky <[email protected]>
Cc: Kyungsik Lee <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Yann Collet <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Sergey Senozhatsky 2013-09-11 14:26:32 -07:00 • committed by Linus Torvalds
commit b34081f1cd
2 changed files with 8 additions and 8 deletions
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8
lib/lz4/lz4_decompress.c
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@ -283,8 +283,8 @@ _output_error:
return (int) (-(((char *) ip) - source));
}
int lz4_decompress(const char *src, size_t *src_len, char *dest,
size_t actual_dest_len)
int lz4_decompress(const unsigned char *src, size_t *src_len,
unsigned char *dest, size_t actual_dest_len)
{
int ret = -1;
int input_len = 0;
@ -302,8 +302,8 @@ exit_0:
EXPORT_SYMBOL(lz4_decompress);
#endif
int lz4_decompress_unknownoutputsize(const char *src, size_t src_len,
char *dest, size_t *dest_len)
int lz4_decompress_unknownoutputsize(const unsigned char *src, size_t src_len,
unsigned char *dest, size_t *dest_len)
{
int ret = -1;
int out_len = 0;