lib: correct 842 decompress for 32 bit

Avoid 64 bit mod operation, which won't work on 32 bit systems.
Simple subtraction can be used instead in this case.

Reported-By: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dan Streetman 2015-05-11 18:53:36 -04:00 committed by Herbert Xu
parent 42e8b0d7fe
commit ca7fc7e962

View file

@ -185,7 +185,7 @@ static int __do_index(struct sw842_param *p, u8 size, u8 bits, u64 fsize)
/* this is where the current fifo is */
u64 section = round_down(total, fsize);
/* the current pos in the fifo */
u64 pos = total % fsize;
u64 pos = total - section;
/* if the offset is past/at the pos, we need to
* go back to the last fifo section