perf machine: Pass buffer size to machine__mmap_name
Don't blindly assume that the size of the buffer is enough, use
snprintf.
Cc: Avi Kivity <avi@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Zhang, Yanmin <yanmin_zhang@linux.intel.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 2f33ca9..7400e51 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -288,7 +288,7 @@
*/
struct process_symbol_args args = { .name = symbol_name, };
- mmap_name = machine__mmap_name(machine, name_buff);
+ mmap_name = machine__mmap_name(machine, name_buff, sizeof(name_buff));
if (machine__is_host(machine)) {
/*
* kernel uses PERF_RECORD_MISC_USER for user space maps,
@@ -399,7 +399,7 @@
goto out_problem;
}
- machine__mmap_name(machine, kmmap_prefix);
+ machine__mmap_name(machine, kmmap_prefix, sizeof(kmmap_prefix));
if (machine__is_host(machine))
kernel_type = DSO_TYPE_KERNEL;
else
