perf tools: Introduce zalloc() for the common calloc(1, N) case

This way we type less characters and it looks more like the
kzalloc kernel counterpart.

Signed-off-by: Arnaldo Carvalho de Melo <acme@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>
LKML-Reference: <1259071517-3242-3-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 2 deletions

diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index d78a3d945492..a2f6daf01ecb 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -309,9 +309,9 @@ static int synthesize_probe_event(struct probe_point *pp)
 {
         char *buf;
         int i, len, ret;
-        pp->probes[0] = buf = (char *)calloc(MAX_CMDLEN, sizeof(char));
+        pp->probes[0] = buf = zalloc(MAX_CMDLEN);
         if (!buf)
-                die("Failed to allocate memory by calloc.");
+                die("Failed to allocate memory by zalloc.");
         ret = snprintf(buf, MAX_CMDLEN, "%s+%d", pp->function, pp->offset);
         if (ret <= 0 || ret >= MAX_CMDLEN)
                 goto error;