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

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

include/net/iw_handler.h

+22 −0
Original line number Original line Diff line number Diff line
@@ -519,6 +519,17 @@ iwe_stream_add_event(struct iw_request_info *info, char *stream, char *ends, 
	return stream;

	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

 * 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;

	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.

 * Wrapper to add a value to a Wireless Event in a stream of events.