sh: perf events: Fix up uninitialized variable warning.

'config' can be unintialized, and although it's not really an error, it
still manages to trigger the -Werror with certain toolchains. Initialize
it early to shut up gcc.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 1 insertions, 3 deletions

diff --git a/arch/sh/kernel/perf_event.c b/arch/sh/kernel/perf_event.c
index 4449f0ac9bf8..7ff0943e7a08 100644
--- a/arch/sh/kernel/perf_event.c
+++ b/arch/sh/kernel/perf_event.c
@@ -103,7 +103,7 @@ static int __hw_perf_event_init(struct perf_event *event)
 {
         struct perf_event_attr *attr = &event->attr;
         struct hw_perf_event *hwc = &event->hw;
-        int config;
+        int config = -1;
         int err;
 
         if (!sh_pmu_initialized())
@@ -155,8 +155,6 @@ static int __hw_perf_event_init(struct perf_event *event)
 
                 config = sh_pmu->event_map(attr->config);
                 break;
-        default:
-                return -EINVAL;
         }
 
         if (config == -1)