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lib/compute_ip_checksum: mark data buffer as const

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compute_ip_checksum() doesn't manipulate the data it is passed.
Therefore, mark it as const.

BUG=chrome-os-partner:56151

Change-Id: I54cff9695a886bacd6314aa441d96aaa7a991101
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17714
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Aaron Durbin 2016-12-03 21:05:53 -06:00
commit 30c64be4ce
2 changed files with 3 additions and 3 deletions
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2
src/include/ip_checksum.h
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@ -1,5 +1,5 @@
#ifndef IP_CHECKSUM_H
#define IP_CHECKSUM_H
unsigned long compute_ip_checksum(void *addr, unsigned long length);
unsigned long compute_ip_checksum(const void *addr, unsigned long length);
unsigned long add_ip_checksums(unsigned long offset, unsigned long sum, unsigned long new);
#endif /* IP_CHECKSUM_H */