Commit 36ef906e authored by Johannes Berg's avatar Johannes Berg

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: default avatarJohannes Berg <johannes.berg@intel.com>
parent abfbc3af
......@@ -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.
......
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