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fix shadow variable in compute_ip_checksum.c

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Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4036 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2009-03-31 16:42:57 +00:00 committed by Stefan Reinauer
parent d469cdab93
commit 45dffef232
1 changed files with 4 additions and 4 deletions
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8
src/lib/compute_ip_checksum.c
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@ -16,13 +16,13 @@ unsigned long compute_ip_checksum(void *addr, unsigned long length)
sum = 0; sum = 0;
ptr = addr; ptr = addr;
for(i = 0; i < length; i++) { for(i = 0; i < length; i++) {
unsigned long value; unsigned long v;
value = ptr[i]; v = ptr[i];
if (i & 1) { if (i & 1) {
value <<= 8; v <<= 8;
} }
/* Add the new value */ /* Add the new value */
sum += value; sum += v;
/* Wrap around the carry */ /* Wrap around the carry */
if (sum > 0xFFFF) { if (sum > 0xFFFF) {
sum = (sum + (sum >> 16)) & 0xFFFF; sum = (sum + (sum >> 16)) & 0xFFFF;