[PATCH 3/3] coresight: etm4x: core: Remove redundant check of attr

[Qi Liu]

From: Junhao He <hejunhao2@xxxxxxxxxxxxx>

"attr" is checked by perf framework, so remove the redundant check in
etm4_parse_event_config().

Signed-off-by: Junhao He <hejunhao2@xxxxxxxxxxxxx>
Signed-off-by: Qi Liu <liuqi115@xxxxxxxxxx>
---
 drivers/hwtracing/coresight/coresight-etm4x-core.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index db88199..da27cd4 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -568,11 +568,6 @@ static int etm4_parse_event_config(struct etmv4_drvdata *drvdata,
 	struct etmv4_config *config = &drvdata->config;
 	struct perf_event_attr *attr = &event->attr;
 
-	if (!attr) {
-		ret = -EINVAL;
-		goto out;
-	}
-
 	/* Clear configuration from previous run */
 	memset(config, 0, sizeof(struct etmv4_config));
 
-- 
2.7.4