2021-06-14 18:00:42

by Mathieu Poirier

[permalink] [raw]
Subject: [PATCH 4/6] coresight: etm4x: core: Remove redundant check of attr

From: Junhao He <[email protected]>

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

Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Junhao He <[email protected]>
Signed-off-by: Qi Liu <[email protected]>
Signed-off-by: Suzuki K Poulose <[email protected]>
Signed-off-by: Mathieu Poirier <[email protected]>
---
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 db881993c211..da27cd4a3c38 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));

--
2.25.1