dyndbg: use gcc ?: to reduce word count

reduce word count via gcc ?: extension, no actual code change.

Acked-by: <[email protected]>
Signed-off-by: Jim Cromie <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: jimc

lib/dynamic_debug.c

@@ -127,10 +127,10 @@ static void vpr_info_dq(const struct ddebug_query *query, const char *msg)
 
 	vpr_info("%s: func=\"%s\" file=\"%s\" module=\"%s\" format=\"%.*s\" lineno=%u-%u\n",
 		 msg,
-		 query->function ? query->function : "",
-		 query->filename ? query->filename : "",
-		 query->module ? query->module : "",
-		 fmtlen, query->format ? query->format : "",
+		 query->function ?: "",
+		 query->filename ?: "",
+		 query->module ?: "",
+		 fmtlen, query->format ?: "",
 		 query->first_lineno, query->last_lineno);
 }