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iscsi-scst/kernel/event.c: Port to kernel v4.12

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7219 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2017-08-27 15:53:16 +00:00
parent 1e457529eb
commit cc2b24478c
1 changed files with 14 additions and 2 deletions
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16
iscsi-scst/kernel/event.c
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@@ -25,6 +25,18 @@
#include "iscsi_trace_flag.h"
#include "iscsi.h"
/* See also commit 2d4bc93368f5 ("netlink: extended ACK reporting") */
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0)
static inline void netlink_ack_backport(struct sk_buff *in_skb,
struct nlmsghdr *nlh, int err,
const struct netlink_ext_ack *extack)
{
WARN_ON_ONCE(extack);
netlink_ack(in_skb, nlh, err);
}
#define netlink_ack netlink_ack_backport
#endif
static struct sock *nl;
static u32 iscsid_pid;
@@ -63,9 +75,9 @@ static void event_recv_skb(struct sk_buff *skb)
rlen = skb->len;
err = event_recv_msg(skb, nlh);
if (err)
netlink_ack(skb, nlh, -err);
netlink_ack(skb, nlh, -err, NULL);
else if (nlh->nlmsg_flags & NLM_F_ACK)
netlink_ack(skb, nlh, 0);
netlink_ack(skb, nlh, 0, NULL);
skb_pull(skb, rlen);
}