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From: Qi Liu <liuqi115@huawei.com>
To: <mathieu.poirier@linaro.org>, <suzuki.poulose@arm.com>,
	<mike.leach@linaro.org>
Cc: <coresight@lists.linaro.org>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, <linuxarm@huawei.com>
Subject: [PATCH 3/3] coresight: etm4x: core: Remove redundant check of attr
Date: Thu, 13 May 2021 21:27:49 +0800	[thread overview]
Message-ID: <1620912469-52222-4-git-send-email-liuqi115@huawei.com> (raw)
In-Reply-To: <1620912469-52222-1-git-send-email-liuqi115@huawei.com>

From: Junhao He <hejunhao2@hisilicon.com>

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

Signed-off-by: Junhao He <hejunhao2@hisilicon.com>
Signed-off-by: Qi Liu <liuqi115@huawei.com>
---
 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


  parent reply	other threads:[~2021-05-13 13:29 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-13 13:27 [PATCH 0/3] coresight: Few cleanups Qi Liu
2021-05-13 13:27 ` [PATCH 1/3] coresight: core: Fix use of uninitialized pointer Qi Liu
2021-05-13 13:27 ` [PATCH 2/3] coresight: core: Remove unnecessary assignment Qi Liu
2021-05-13 13:27 ` Qi Liu [this message]
2021-05-13 13:56 ` [PATCH 0/3] coresight: Few cleanups Suzuki K Poulose

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