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authorJohannes Berg <johannes.berg@intel.com>2015-02-25 12:54:33 +0300
committerJohannes Berg <johannes.berg@intel.com>2015-02-28 23:31:12 +0300
commit36ef906ee8fefbfac3844206e66d8450e6221c69 (patch)
tree6c6a1d4212dc70fd686e7a64be2039b61e87ba99 /include/net/iw_handler.h
parentabfbc3af57b1b92ff976ce7f1c776c169d14ed8a (diff)
downloadlinux-36ef906ee8fefbfac3844206e66d8450e6221c69.tar.xz
wext: add checked wrappers for adding events/points to streams
These checked wrappers are necessary for the next patch, which will use them to avoid sending out partial scan results. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net/iw_handler.h')
-rw-r--r--include/net/iw_handler.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/net/iw_handler.h b/include/net/iw_handler.h
index a830b01baba4..8f81bbbc38fc 100644
--- a/include/net/iw_handler.h
+++ b/include/net/iw_handler.h
@@ -519,6 +519,17 @@ iwe_stream_add_event(struct iw_request_info *info, char *stream, char *ends,
return stream;
}
+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;
+}
+
/*------------------------------------------------------------------*/
/*
* Wrapper to add an short Wireless Event containing a pointer to a
@@ -545,6 +556,17 @@ iwe_stream_add_point(struct iw_request_info *info, char *stream, char *ends,
return stream;
}
+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;
+}
+
/*------------------------------------------------------------------*/
/*
* Wrapper to add a value to a Wireless Event in a stream of events.