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fixed bug #22804: dhcp_stop doesn't clear NETIF_FLAG_DHCP (flag now cleared)

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goldsimon 2008-04-15 17:24:54 +00:00
parent a9aefcc1be
commit 9ccd31a12e
2 changed files with 9 additions and 0 deletions
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4
CHANGELOG
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@ -22,6 +22,10 @@ HISTORY
++ Bugfixes: ++ Bugfixes:
2008-04-15 Simon Goldschmidt
* dhcp.c: fixed bug #22804: dhcp_stop doesn't clear NETIF_FLAG_DHCP
(flag now cleared)
2008-03-27 Simon Goldschmidt 2008-03-27 Simon Goldschmidt
* mem.c, tcpip.c, tcpip.h, opt.h: fixed bug #21433 (Calling mem_free/pbuf_free * mem.c, tcpip.c, tcpip.h, opt.h: fixed bug #21433 (Calling mem_free/pbuf_free
from interrupt context isn't safe): set LWIP_USE_HEAP_FROM_INTERRUPT to 1 from interrupt context isn't safe): set LWIP_USE_HEAP_FROM_INTERRUPT to 1

5
src/core/dhcp.c
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@ -568,6 +568,8 @@ dhcp_start(struct netif *netif)
LWIP_ERROR("netif != NULL", (netif != NULL), return ERR_ARG;); LWIP_ERROR("netif != NULL", (netif != NULL), return ERR_ARG;);
dhcp = netif->dhcp; dhcp = netif->dhcp;
LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_start(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num)); LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_start(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num));
/* Remove the flag that says this netif is handled by DHCP,
it is set when we succeeded starting. */
netif->flags &= ~NETIF_FLAG_DHCP; netif->flags &= ~NETIF_FLAG_DHCP;
/* no DHCP client attached yet? */ /* no DHCP client attached yet? */
@ -609,6 +611,7 @@ dhcp_start(struct netif *netif)
dhcp_stop(netif); dhcp_stop(netif);
return ERR_MEM; return ERR_MEM;
} }
/* Set the flag that says this netif is handled by DHCP. */
netif->flags |= NETIF_FLAG_DHCP; netif->flags |= NETIF_FLAG_DHCP;
return result; return result;
} }
@ -1063,6 +1066,8 @@ dhcp_stop(struct netif *netif)
{ {
struct dhcp *dhcp = netif->dhcp; struct dhcp *dhcp = netif->dhcp;
LWIP_ERROR("dhcp_stop: netif != NULL", (netif != NULL), return;); LWIP_ERROR("dhcp_stop: netif != NULL", (netif != NULL), return;);
/* Remove the flag that says this netif is handled by DHCP. */
netif->flags &= ~NETIF_FLAG_DHCP;
LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | 3, ("dhcp_stop()\n")); LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | 3, ("dhcp_stop()\n"));
/* netif is DHCP configured? */ /* netif is DHCP configured? */