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ipv4: Use predefined value for readability

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Signed-off-by: Hisao Tanabe <xtanabe@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hisao Tanabe
2014-04-27 19:03:45 +09:00
committed by David S. Miller
parent 266a164684
commit 5a2b646ffe
1 changed files with 3 additions and 3 deletions
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6
net/ipv4/ip_options.c
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@@ -364,7 +364,7 @@ int ip_options_compile(struct net *net,
} }
if (optptr[2] <= optlen) { if (optptr[2] <= optlen) {
unsigned char *timeptr = NULL; unsigned char *timeptr = NULL;
if (optptr[2]+3 > optptr[1]) { if (optptr[2]+3 > optlen) {
pp_ptr = optptr + 2; pp_ptr = optptr + 2;
goto error; goto error;
} }
@@ -376,7 +376,7 @@ int ip_options_compile(struct net *net,
optptr[2] += 4; optptr[2] += 4;
break; break;
case IPOPT_TS_TSANDADDR: case IPOPT_TS_TSANDADDR:
if (optptr[2]+7 > optptr[1]) { if (optptr[2]+7 > optlen) {
pp_ptr = optptr + 2; pp_ptr = optptr + 2;
goto error; goto error;
} }
@@ -390,7 +390,7 @@ int ip_options_compile(struct net *net,
optptr[2] += 8; optptr[2] += 8;
break; break;
case IPOPT_TS_PRESPEC: case IPOPT_TS_PRESPEC:
if (optptr[2]+7 > optptr[1]) { if (optptr[2]+7 > optlen) {
pp_ptr = optptr + 2; pp_ptr = optptr + 2;
goto error; goto error;
} }