[PATCH] perf: Fix a precedence bug

[He Kuang]

The minus operator has higher precedence than ?:
Add parentheses around ?: fix this.

Before this patch:
$ echo 'p:myprobe do_sys_open' > /sys/kernel/debug/tracing/kprobe_events
$ perf probe -l -k ../vmlinux
  kprobes:myprobe      (on do_sys_open)

After this patch:
$ echo 'p:myprobe do_sys_open' > /sys/kernel/debug/tracing/kprobe_events
$ perf probe -l -k ../vmlinux
  kprobes:myprobe      (on do_sys_open@xxxxxxxxx/fs/open.c)

Signed-off-by: He Kuang <hekuang@xxxxxxxxxx>
---
 tools/perf/util/probe-event.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 919937e..bed8d0f 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -150,7 +150,7 @@ static u64 kernel_get_symbol_address_by_name(const char *name, bool reloc)
 		sym = __find_kernel_function_by_name(name, &map);
 		if (sym)
 			return map->unmap_ip(map, sym->start) -
-				(reloc) ? 0 : map->reloc;
+				((reloc) ? 0 : map->reloc);
 	}
 	return 0;
 }
-- 
2.2.0.33.gc18b867

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