From: Johannes Berg <johannes.berg@xxxxxxxxx>
backport the commit 36ef906ee8fefbfac3844206e66d8450e6221c69
("wext: add checked wrappers for adding events/points to streams")
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
backport/backport-include/net/iw_handler.h | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
create mode 100644 backport/backport-include/net/iw_handler.h
diff --git a/backport/backport-include/net/iw_handler.h b/backport/backport-include/net/iw_handler.h
new file mode 100644
index 000000000000..1106d6b77ae4
--- /dev/null
+++ b/backport/backport-include/net/iw_handler.h
@@ -0,0 +1,28 @@
+#ifndef __BACKPORT_IW_HANDLER_H
+#define __BACKPORT_IW_HANDLER_H
+#include_next <net/flow_keys.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,1,0)
+static inline char *
+iwe_stream_add_event_check(struct iw_request_info *info, char *stream,
+ char *ends, struct iw_event *iwe, int event_len)
+{
+ char *res = iwe_stream_add_event(info, stream, ends, iwe, event_len);
+
+ if (res == stream)
+ return ERR_PTR(-E2BIG);
+ return res;
+}
+
+static inline char *
+iwe_stream_add_point_check(struct iw_request_info *info, char *stream,
+ char *ends, struct iw_event *iwe, char *extra)
+{
+ char *res = iwe_stream_add_point(info, stream, ends, iwe, extra);
+
+ if (res == stream)
+ return ERR_PTR(-E2BIG);
+ return res;
+}
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4,1,0) */
+#endif /* __BACKPORT_IW_HANDLER_H */
--
2.1.4
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