diff options
Diffstat (limited to 'net/core/netpoll.c')
| -rw-r--r-- | net/core/netpoll.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c index c310c7c1cef7..edfc0f8011f8 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -36,6 +36,7 @@ #include <net/ip6_checksum.h> #include <asm/unaligned.h> #include <trace/events/napi.h> +#include <linux/kconfig.h> /* * We maintain a small pool of fully-sized skbs, to make sure the @@ -389,7 +390,8 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len) static atomic_t ip_ident; struct ipv6hdr *ip6h; - WARN_ON_ONCE(!irqs_disabled()); + if (!IS_ENABLED(CONFIG_PREEMPT_RT)) + WARN_ON_ONCE(!irqs_disabled()); udp_len = len + sizeof(*udph); if (np->ipv6) @@ -428,7 +430,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len) ip6h = ipv6_hdr(skb); /* ip6h->version = 6; ip6h->priority = 0; */ - put_unaligned(0x60, (unsigned char *)ip6h); + *(unsigned char *)ip6h = 0x60; ip6h->flow_lbl[0] = 0; ip6h->flow_lbl[1] = 0; ip6h->flow_lbl[2] = 0; @@ -456,7 +458,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len) iph = ip_hdr(skb); /* iph->version = 4; iph->ihl = 5; */ - put_unaligned(0x45, (unsigned char *)iph); + *(unsigned char *)iph = 0x45; iph->tos = 0; put_unaligned(htons(ip_len), &(iph->tot_len)); iph->id = htons(atomic_inc_return(&ip_ident)); |