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Fix bug #49264: Crash Error when LWIP_SOCKET_OFFSET is in use

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Handle LWIP_SOCKET_OFFSET in lwip_socket_drop_registered_memberships, lwip_socket_unregister_membership and lwip_socket_register_membership.
This commit is contained in:
Dirk Ziegelmeier 2016-10-04 12:34:53 +02:00
parent d1ed89b2e4
commit 30251b1404
1 changed files with 3 additions and 3 deletions
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6
src/api/sockets.c
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@ -2732,7 +2732,7 @@ lwip_socket_register_membership(int s, const ip4_addr_t *if_addr, const ip4_addr
{
/* s+1 is stored in the array to prevent having to initialize the array
(default initialization is to 0) */
int sa = s + 1;
int sa = s + 1 - LWIP_SOCKET_OFFSET;
int i;
for (i = 0; i < LWIP_SOCKET_MAX_MEMBERSHIPS; i++) {
@ -2756,7 +2756,7 @@ lwip_socket_unregister_membership(int s, const ip4_addr_t *if_addr, const ip4_ad
{
/* s+1 is stored in the array to prevent having to initialize the array
(default initialization is to 0) */
int sa = s + 1;
int sa = s + 1 - LWIP_SOCKET_OFFSET;
int i;
for (i = 0; i < LWIP_SOCKET_MAX_MEMBERSHIPS; i++) {
@ -2779,7 +2779,7 @@ static void lwip_socket_drop_registered_memberships(int s)
{
/* s+1 is stored in the array to prevent having to initialize the array
(default initialization is to 0) */
int sa = s + 1;
int sa = s + 1 - LWIP_SOCKET_OFFSET;
int i;
LWIP_ASSERT("socket has no netconn", sockets[s].conn != NULL);