X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=tools%2Fperf%2Fbuiltin-trace.c;h=44a75f234db17c6cb18e133521e0d0d9f112ec03;hb=39be8d0115b321ed;hp=bea461b6f937bfc1bc334dd48f688e454602f8d7;hpb=3bec5b6aae830355e786e204b20a7cea38c3a8ed;p=linux-2.6-microblaze.git

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index bea461b6f937..44a75f234db1 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1762,7 +1762,11 @@ static int trace__read_syscall_info(struct trace *trace, int id)
 		if (table == NULL)
 			return -ENOMEM;
 
-		memset(table + trace->sctbl->syscalls.max_id, 0, (id - trace->sctbl->syscalls.max_id) * sizeof(*sc));
+		// Need to memset from offset 0 and +1 members if brand new
+		if (trace->syscalls.table == NULL)
+			memset(table, 0, (id + 1) * sizeof(*sc));
+		else
+			memset(table + trace->sctbl->syscalls.max_id + 1, 0, (id - trace->sctbl->syscalls.max_id) * sizeof(*sc));
 
 		trace->syscalls.table	      = table;
 		trace->sctbl->syscalls.max_id = id;