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authorArnaldo Carvalho de Melo <acme@redhat.com>2010-04-27 21:19:05 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2010-04-27 21:19:05 -0300
commit48ea8f5470aa6f35244d1b218316705ea88c0259 (patch)
treeb4e9a2d1cc227be96f2c3de815b5b2b4c12e3cb5 /tools/perf/util/map.c
parent23346f21b277e3aae5e9989e711a11cbe8133a45 (diff)
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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>
Diffstat (limited to 'tools/perf/util/map.c')
-rw-r--r--tools/perf/util/map.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index da3d4e82623..ee25ee91504 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -629,14 +629,14 @@ void machines__process(struct rb_root *self, machine__process_t process, void *d
}
}
-char *machine__mmap_name(struct machine *self, char *buff)
+char *machine__mmap_name(struct machine *self, char *bf, size_t size)
{
if (machine__is_host(self))
- sprintf(buff, "[%s]", "kernel.kallsyms");
+ snprintf(bf, size, "[%s]", "kernel.kallsyms");
else if (machine__is_default_guest(self))
- sprintf(buff, "[%s]", "guest.kernel.kallsyms");
+ snprintf(bf, size, "[%s]", "guest.kernel.kallsyms");
else
- sprintf(buff, "[%s.%d]", "guest.kernel.kallsyms", self->pid);
+ snprintf(bf, size, "[%s.%d]", "guest.kernel.kallsyms", self->pid);
- return buff;
+ return bf;
}