perf s390: Fix reading cpuid model information

Commit eca0fa28cd0d (perf record: Provide detailed information on s390
CPU") fixed a  build error on Ubuntu. However the fix uses the wrong
size to print the model information.

Signed-off-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Fixes: eca0fa28cd0d ("perf record: Provide detailed information on s390 CPU")
Link: http://lkml.kernel.org/r/20180219102444.96900-1-tmricht@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/arch/s390/util/header.c b/tools/perf/arch/s390/util/header.c
index 231294b..a4c30f1 100644 (file)
--- a/tools/perf/arch/s390/util/header.c
+++ b/tools/perf/arch/s390/util/header.c
@@ -81,7 +81,7 @@ int get_cpuid(char *buffer, size_t sz)
                        line2 = line + strlen(SYSINFO_MODEL);
 
                        while ((cp = strtok_r(line2, "\n ", &line2))) {
-                               mdsize += scnprintf(model + mdsize, sizeof(type) - mdsize,
+                               mdsize += scnprintf(model + mdsize, sizeof(model) - mdsize,
                                                    "%s%s", model[0] ? "," : "", cp);
                        }
                        break;