header: types.h: add __poll_t

__poll_t was added for kernel 4.15 in commit 8ced390c2b ("define
__poll_t, annotate constants"), add it here for older kernel versions.
Multiple drivers are using this type.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/backport/backport-include/linux/types.h b/backport/backport-include/linux/types.h
index 160570b4d1bf2ea468547cb49018726c17ff2234..0671e1408f130ae79db24e97d51b8ce47ae04621 100644 (file)
--- a/backport/backport-include/linux/types.h
+++ b/backport/backport-include/linux/types.h
@@ -7,4 +7,8 @@
 typedef __s64 time64_t;
 #endif
 
+#if LINUX_VERSION_IS_LESS(4,16,0)
+typedef unsigned __poll_t;
+#endif
+
 #endif /* __BACKPORT_TYPES */