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net: dhcpv6: Do not wait forever when allocating net_pkt

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As the allocation is run in system workqueue context, it can
cause problems if waiting forever when allocating net_pkt.

Fixes #77935

Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
This commit is contained in:
Jukka Rissanen 2024-09-05 07:43:16 +03:00 committed by Carles Cufí
parent 254e757539
commit da97542a6e
1 changed files with 3 additions and 1 deletions
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4
subsys/net/lib/dhcpv6/dhcpv6.c
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@ -21,6 +21,8 @@ LOG_MODULE_REGISTER(net_dhcpv6, CONFIG_NET_DHCPV6_LOG_LEVEL);
#include "net_private.h"
#include "udp_internal.h"
#define PKT_WAIT_TIME K_MSEC(100)
/* Maximum number of options client can request. */
#define DHCPV6_MAX_OPTION_REQUEST 2
@ -582,7 +584,7 @@ static struct net_pkt *dhcpv6_create_message(struct net_if *iface,
msg_size = dhcpv6_calculate_message_size(options);
pkt = net_pkt_alloc_with_buffer(iface, msg_size, AF_INET6,
IPPROTO_UDP, K_FOREVER);
IPPROTO_UDP, PKT_WAIT_TIME);
if (pkt == NULL) {
return NULL;
}