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perf machine: Pass buffer size to machine__mmap_name

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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>
This commit is contained in:
Arnaldo Carvalho de Melo
2010-04-27 21:19:05 -03:00
parent 23346f21b2
commit 48ea8f5470
4 changed files with 11 additions and 11 deletions
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4
tools/perf/util/event.c
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@@ -288,7 +288,7 @@ int event__synthesize_kernel_mmap(event__handler_t process,
*/
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 @@ static int event__process_kernel_mmap(event_t *self,
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