Commit ca7fc7e9 authored May 11, 2015 by Dan Streetman Committed by Herbert Xu May 13, 2015

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>

parent 42e8b0d7

lib/842/842_decompress.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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