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[3/7] backports: Add nl_set_extack_cookie_u64()

Message ID 20190126220033.27634-4-hauke@hauke-m.de (mailing list archive)
State Accepted
Headers show
Series backport: update to Linux 5.0-rc3 | expand

Commit Message

Hauke Mehrtens Jan. 26, 2019, 10 p.m. UTC 
This was introduced in Linux commit 801f87469ee8 ("netlink: add
nl_set_extack_cookie_u64()") and is used by the wireless subsystem.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
 backport/backport-include/linux/netlink.h | 11 +++++++++++
 1 file changed, 11 insertions(+)
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Patch

diff --git a/backport/backport-include/linux/netlink.h b/backport/backport-include/linux/netlink.h
index f956a769..0fb8e0f3 100644
--- a/backport/backport-include/linux/netlink.h
+++ b/backport/backport-include/linux/netlink.h
@@ -58,4 +58,15 @@  struct netlink_ext_ack {
 } while (0)
 #endif /* NL_SET_BAD_ATTR */
 
+#if LINUX_VERSION_IS_LESS(5,0,0)
+static inline void nl_set_extack_cookie_u64(struct netlink_ext_ack *extack,
+					    u64 cookie)
+{
+	u64 __cookie = cookie;
+
+	memcpy(extack->cookie, &__cookie, sizeof(__cookie));
+	extack->cookie_len = sizeof(__cookie);
+}
+#endif
+
 #endif /* __BACKPORT_LINUX_NETLINK_H */